What is the best way to display data if there is a narrow range, and we want to see the shape of the data?

Multiple Choice

A. frequency table with intervals

B. frequency table

C. stem-and-leaf plot

D. line plot

Answers

Answer 1

Answer:

When data has a narrow range and we want to see the shape of the data, the best way to display the data is through a line plot. A line plot is a graphical display of data that uses dots placed above a number line to show the frequency of values in a set of data. It is useful for showing the distribution of a small set of data, especially when the data has a narrow range of values. The line plot allows us to see how many times each value occurs and to identify the mode(s) of the data.

When data has a narrow range and we want to see its shape, a stem-and-leaf plot is the best way to display it. In a stem-and-leaf plot, the data is divided into two parts: the stem and the leaf. The stem is the leftmost digit(s) of each data point, and the leaf is the rightmost digit. This plot allows us to quickly see the distribution of the data and identify any outliers or patterns.


Related Questions

Common resources are not individually owned, which creates the incentive for their overuse and overconsumption. A) True B) False

Answers

Common resources are those that are available to everyone and not owned by any individual or group. Examples include air, water, fish in the ocean, and even public parks. Since no one owns them, there is no direct incentive for any individual to conserve or protect these resources.

In fact, the opposite is often true - individuals may feel that they have a right to use these resources as much as they want, leading to overuse and overconsumption. This is known as the tragedy of the commons, where individuals act in their own self-interest, leading to the depletion of a shared resource. To avoid this, it is important to have regulations and policies in place to encourage responsible use of common resources and prevent overuse and overconsumption.

The answer is A) True
Common resources refer to natural or man-made resources that are not individually owned but are available to everyone in a community. Since these resources are not owned by any specific person or organization, there is a lack of control and regulation over their use. This lack of ownership creates an incentive for people to overuse and overconsume these resources, as individuals may want to take advantage of the resources before others do.

This overuse and overconsumption can lead to depletion or degradation of the common resources, making them less available or useful for future generations. In order to prevent this outcome, it is essential to implement proper management and conservation strategies that help maintain the sustainability and accessibility of these shared resources for all users.

Learn more about overuse at : brainly.com/question/24183535

#SPJ11

#1 Which set of transformations correctly maps △BOW
to △TIE?

Answers

A reflection over the x-axis followed by a translation right 6 units and down 2 units.

You’re welcome, if it’s right. It should be though.

Given the following contingency table with category labels A, B, C, X, Y, and Z, what is the expected count with 1 decimal place in the joint category of C and X? XY A 11 10 3 B 15 6 2 C 18 1 5 Your Answer:

Answers

The expected count in the joint category of C and X is 3.4.

To find the expected count in the joint category of C and X, we need to calculate the row and column totals for categories C and X.

The row total for category C is the sum of the counts in the third row: 18 + 1 + 5 = 24.

The column total for category X is the sum of the counts in the second column: 10 + 6 + 1 = 17.

To find the expected count in the joint category of C and X, we use the formula:

Expected count = (row total * column total) / grand total

where the grand total is the total count in the table, which is 11 + 10 + 3 + 15 + 6 + 2 + 18 + 1 + 5 = 71.

Plugging in the values, we get:

Expected count in category C and X = (24 * 10) / 71 = 3.4 (rounded to 1 decimal place)

Therefore, the expected count in the joint category of C and X is 3.4.

To learn more about count visit:

https://brainly.com/question/30971100

#SPJ11

From the sample statistics, find the value of -, the point estimate of the difference of proportions. Unless otherwise indicated, round to the nearest thousandth when necessary. n1 = 100 n2 = 100 = 0.12 = 0.1 A. 0.22 B. none of these C. 0.02 D. 0.012 E. 0.002

Answers

The value of - (the point estimate of the difference of proportions) is 0.02. Option C (0.02) is the correct answer.

To find the value of the point estimate of the difference of proportions, we need to subtract the sample proportion of one group from the sample proportion of the other group.

Let's denote the sample proportion of group 1 as p1 and the sample proportion of group 2 as p2. Then, the point estimate of the difference of proportions can be calculated as:

^p1 - ^p2

where ^p1 = 0.12 and ^p2 = 0.1 (as given in the question).

Substituting the values, we get:

^p1 - ^p2 = 0.12 - 0.1 = 0.02


It is important to note that this is just a point estimate based on the given sample statistics, and the true difference of proportions in the population may differ. We can calculate a margin of error and construct a confidence interval to estimate the range in which the true difference of proportions may lie.

Know more about proportions here:

https://brainly.com/question/30657439

#SPJ11

If figure F is rotated 180 degrees and dilated by a factor of 1/2, which new figure coukd be produced?

Answers

The figure gets shrunk to half and it will be in the third quadrant.

The process of increasing the size of an item or a figure without affecting its actual or original form is known as dilation. The size of the object can be lowered or raised depending on the scale factor of dilation provided.

As given in the question, the figure is rotated 180 degrees and dilated by a factor of 1/2. we have to describe the new figure.

Let us assume that the position of the figure is in the first quadrant. Then

after the rotation of 180 degrees of the figure, the figure will be in the third quadrant. If the figure is dilated with a scale factor of 1/2 then the figure gets shrunk to half of what it is as shown in the diagram provided.

The diagram is given below.

To learn more about the dilation;

brainly.com/question/2856466

#SPJ4

(4127 | Problem 5 * 10 points to Find the path y = y(x) for which the integral xSxri týz dx is stationary. х XI

Answers

The path y = y(x) that makes the integral stationary. To find the path y = y(x) for which the integral ∫x*sqrt(1 + (y'(x))^2) dx is stationary, we will use the following steps:

1. Identify the integrand: The integrand is the function inside the integral, which is F(x, y, y') = x*sqrt(1 + (y'(x))^2).

2. Apply the Euler-Lagrange equation: The Euler-Lagrange equation is used to find the stationary points of integrals, and it is given by the formula: dF/dy - d/dx(dF/dy') = 0.

3. Calculate the derivatives: First, find the partial derivatives of the integrand with respect to y and y':
  - dF/dy = 0 (since F does not contain y explicitly)
  - dF/dy' = x*(y'(x)/sqrt(1 + (y'(x))^2))

4. Apply the Euler-Lagrange equation: Now, substitute the derivatives into the Euler-Lagrange equation:
  - d/dx(x*(y'(x)/sqrt(1 + (y'(x))^2))) = 0

5. Solve the differential equation: To find y(x), solve the differential equation obtained in step 4. In this case, the equation is somewhat challenging to solve analytically, so we might need to rely on numerical methods or seek a simpler form for the problem.

By following these steps, you can find the path y = y(x) for which the given integral is stationary. However, as noted earlier, solving the resulting differential equation might require advanced techniques or simplification.

https://brainly.com/question/31700320

#SPJ11

Linear regression was performed on a dataset and it was found that the best least square fit was
obtained by the line y = 2x + 3. The dataset on which regression was performed was corrupted in
storage and it is known that the points are (x, y): (-2,a), (0,1), (2, B). Can we recover unique values
of a, B so that the line y = 2x + 3 continues to be the best least square fit? Give a mathematical
justification for your answer.

Answers

Yes, we can recover unique values of a and B so that the line y = 2x + 3 continues to be the best least square fit.

Step 1: Use the given line equation y = 2x + 3 to find the values of a and B.
Step 2: Plug in the x-values for each point into the line equation.
For point (-2, a):
a = 2(-2) + 3
a = -4 + 3
a = -1

For points (2, B):
B = 2(2) + 3
B = 4 + 3
B = 7

Step 3: The recovered unique values are a = -1 and B = 7.

Therefore, the points are (-2, -1), (0, 1), and (2, 7), and the line y = 2x + 3 remains the best least square fit for the dataset.

To know more about the regression visit:

https://brainly.com/question/7193298

#SPJ11

Assume that based on the data collected, you conduct a test of hypothesis to see if the true mean is below the desired specification and obtain a p-value of 0.095 (please note that this value might not match the answer you selected in the previous question). Complete the conclusion of this test by selecting the correct choice to fill in the blanks in the statement below: There is __________ evidence supporting the claim that __________ is __________ 57 Pa.

Answers

There is weak evidence supporting the claim that the true mean is below the desired specification of 57 Pa.

Based on the given information, the p-value obtained from the hypothesis test is 0.095. The p-value represents the probability of observing a test statistic as extreme or more extreme than the one obtained, assuming the null hypothesis (i.e., the true mean is not below 57 Pa) is true. Since the p-value is greater than the commonly used significance level of 0.05, we fail to reject the null hypothesis. This means that we do not have enough evidence to claim that the true mean is significantly below 57 Pa.

Therefore, the conclusion is that there is weak evidence supporting the claim that the true mean is below the desired specification of 57 Pa.

To learn more about mean here:

brainly.com/question/31101410#

#SPJ11

Let f be a permutation on the set {1,2,3,4,5,6,7,8,9}, defined as follows f =1 2 3 4 5 6 7 8 9 4 1 3 6 2 9 7 5 8
(a) Write f as a product of transpositions (not necessarily disjoint), separated by commas (e.g. (1,2), (2,3), ... ). f = (b) Write f-l as a product of transpositions in the same way. f-1 = Assume multiplication of permutations f,g obeys the rule (fg)(x) = f(g(x)so (1,3)(1, 2) = (1,2,3) not (1,3,2).

Answers

P(Billy and not Bob) = (3 choose 1) * (18 choose 5) / (19 choose 5)

= 54/323

(a) We can write f as a product of transpositions as follows:

f = (1,4,6,9,8,5,2)(3,6,9)(2,1)(7,9,5,8)

Note that this is just one possible way of writing f as a product of transpositions, as there can be multiple valid decompositions.

(b) To find f-1, we need to reverse the order of the elements in each transposition and then reverse the order of the transpositions themselves:

f-1 = (2,1)(5,8,9,7)(1,2)(9,6,3)(2,5,8,9,6,4,1)

Again, note that there can be multiple valid ways of writing f-1 as a product of transpositions.

(c) To find the probability that either Bob or Billy is chosen among the 5 students, we can use the principle of inclusion-exclusion. The probability of Billy being chosen is 1/4, and the probability of Bob being chosen is also 1/4. However, if we simply add these probabilities together, we will be double-counting the case where both Billy and Bob are chosen. The probability of both Billy and Bob being chosen is (2/19) * (1/18) = 1/171, since there are 2 ways to choose both of them out of 19 remaining students, and then 1 way to choose the remaining 3 students out of the remaining 18. So the probability that either Billy or Bob is chosen is:

P(Billy or Bob) = P(Billy) + P(Bob) - P(Billy and Bob)

= 1/4 + 1/4 - 1/171

= 85/342

(d) To find the probability that Bob is not chosen and Billy is chosen, we can use the fact that there are (18 choose 5) ways to choose 5 students out of the remaining 18 after Bob has been excluded, and (3 choose 1) ways to choose the remaining student from the 3 that are not Billy. So the probability is:

P(Billy and not Bob) = (3 choose 1) * (18 choose 5) / (19 choose 5)

= 54/323

To learn more about transpositions visit:

https://brainly.com/question/30714846

#SPJ11

The weights of boxes of cereal filled at a plant, X, have an expected value of 32 ounces and a standard deviation of 1.5 ounces. The weight of any box is considered to be independent of the weight of any other box. For shipping purposes, 25 boxes are packaged together. Determine the expected weight of a package of 25 boxes.

Answers

The expected weight of a package of 25 boxes is 800 ounces, with a standard deviation of 6.25 ounces.

To determine the expected weight of a package of 25 boxes, we need to use the properties of expected value and standard deviation.

First, we know that the expected value of one box is 32 ounces. Therefore, the expected value of 25 boxes packaged together is simply 25 multiplied by 32, which equals 800 ounces.

Next, we need to take into account the standard deviation of the weights. Since the weights of each box are considered to be independent of each other, we can use the formula for the standard deviation of the sum of independent random variables:

σ_total = sqrt(n * σ^2)

where σ_total is the standard deviation of the sum of n independent random variables with standard deviation σ.

In this case, n is 25 and σ is 1.5 ounces. Plugging these values into the formula, we get:

σ_total = sqrt(25 * 1.5^2) = 6.25 ounces

Therefore, the expected weight of a package of 25 boxes is 800 ounces, with a standard deviation of 6.25 ounces.

For more questions on standard deviation - https://brainly.com/question/24298037

#SPJ11

A student needs to decorate a box as part of a project for her history class. A model of the box is shown.

A rectangular prism with dimensions of 24 inches by 15 inches by 3 inches.

What is the surface area of the box?

234 in2
477 in2
720 in2
954 in2

Answers

Answer:

2(24(15) + 24(3) + 15(3)) = 2(360 + 72 + 45)

= 2(477) = 954

The surface area of this box is 954 square inches.

Answer:

B

Step-by-step explanation:

Let u,v and w be vectors in R^5 such that {u+v, u+w,v + w) is linearly independent. Does it necessarily follow that {u, v, w} is also linearly independent? (Hint: Put x=u+v,y= u +w, z = v+w. Then by hypotheses, {z, y, z) is linearly independent. Observe that x-zyy=2u and so forth and make use of part (1).)

Answers

Let x=u+v, y=u+w, and z=v+w. Then by hypothesis, {z, y, z} is linearly independent.

Now, observe that x-2y+z = (u+v) - 2(u+w) + (v+w) = -u -w, and similarly, x+z-2y = -v-w and y-2z+x = -u-v.

Thus, we have expressed u, v, and w as linear combinations of x, y, and z. Specifically, we have:

u = (x-2y+z)/(-1)
v = (x+z-2y)/(-1)
w = (y-2z+x)/(-1)


Using this, we can rewrite any linear combination of u, v, and w as a linear combination of x, y, and z.

Suppose {u, v, w} is not linearly independent. Then there exist constants a,b,c, not all zero, such that au+bv+cw=0. But using the expressions above, we can rewrite this as:

a(x-2y+z) + b(x+z-2y) + c(y-2z+x) = (a+b+c)x + (-2a-2b+c)y + (a-2b-2c)z = 0

Since {z, y, z} is linearly independent, this implies that a+b+c = -2a-2b+c = a-2b-2c = 0. Solving this system of equations, we get a=b=c=0, which contradicts our assumption that not all the constants are zero.

Therefore, we conclude that if {u+v, u+w, v+w} is linearly independent, then {u, v, w} must also be linearly independent.

#SPJ11

Learn more about linearly independent (question): https://brainly.com/question/12902801.

help pls anyone mark brainleist

Answers

Answer:

Step-by-step explanation:

9 - (-9) = 18

Don't be distracted by the Russian language, just look at the letters

A study was conducted to explore the relationship between dietary anti-oxidant intake (Vitamin A and Vitamin E) and the risk of having colon cancer. 120,000 people, aged 20-70 years, were selected at random from the total population living in Melbourne in 1987 and invited to join the study. 110,700 of those invited agreed to participate. Participants were interviewed about their dietary intake using food frequency questionnaire so researchers can calculate the amount of anti-oxidant in the diet. Other health risk factors such as smoking, exercise and stress and demographics were also asked at start. Every two years thereafter participants were contacted and asked the same questionnaire. At the end of the study, 10 years later, study researchers were still in contact with 64% of the study population. Outcome data (cancer episode and site) were available for 97% of the original study population from the Victorian Cancer Registry. The study found that the risk of cancer was 2% lower among people with a higher intake of anti-oxidant vitamins, compared to those with lower intakes
What study design it is [2 marks]
What are the key points that led you to think that this is the design [2 marks]
What study design would be more efficient in terms of time and cost for asking the same research question? Explain no more than 100 words [2 marks]

Answers

The study design is a prospective cohort study.
The key points that led to this conclusion are:
- Participants were selected at random from the total population and followed up over a period of 10 years
- Information on dietary intake and other risk factors was collected at the beginning of the study
- Participants were contacted every two years to update their information
- Outcome data was collected from a cancer registry

A more efficient study design in terms of time and cost for asking the same research question could be a cross-sectional study. This would involve recruiting a larger sample of people at one time point and collecting data on their dietary intake and cancer status. However, this design would not allow for follow-up over time to assess changes in diet and cancer risk. In a case-control study, researchers would identify individuals with colon cancer (cases) and those without (controls), and then compare their dietary antioxidant intake. This design typically requires fewer participants and can be completed more quickly, as it doesn't involve following participants over an extended period of time.

For more questions on case study: https://brainly.com/question/15457588

#SPJ11

What is the absolute value of 34

Answers

The absalute value of 34 is 34. Since abdalute value only converts negative to a positive. It does not work on positives. So it would remain the same. Hope this helps!

Factor the following monomial completely: 9x²y²
(-3)(-3)(x)(x)(y) (y)
prime
(3)(3)(x)(y) (y)
(9)(x)(x)(y) (y)

Answers

Answer:

[tex]9 {x}^{2} {y}^{2} = 3•3•x•x•y•y

Find the solution of the system of equations.
-10x9y = 10
8x +9y = 10

Pls

Answers

The solution of the system of equations  -10x - 9y = 10 and 8x + 9y = 10 is x = 10 and y = -3.33

Finding the solution of the system of equations.

From the question, we have the following parameters that can be used in our computation:

-10x9y = 10

8x +9y = 10

Express properly

So, we have

-10x - 9y = 10

8x + 9y = 10

When the above equations are added to one another, we have

2x  = 20

This means that

x = 10

Nexy, we have

-10(2) - 9y = 10

This means that

-9y = 30

S,o we have

y = -3.33

Hence, the soltuion is x = 10 and y = -3.33

Read more about system of equationsa t

https://brainly.com/question/13729904

#SPJ1

In an auditorium but there are 18 seats in the first row and 25 seats in the second row. The number of seats in a row, n, continues to increase by 7 with each additional row.

Write an iterative rule, a_n, to model the sequence formed by the number of seats in each row.

Enter your answer in the box.

a_n=

Use the rule to determine which row has 102 seats

Enter your answer in the box to correctly complete the sentence.

Row (blank) has 102 seats.

Answers

An iterative rule, aₙ to model the sequence formed by the number of seats in each row is: aₙ = 7n + 11

The row that has 102 seats is: 13th row

How to find the arithmetic sequence?

The general formula to find the nth term of an arithmetic sequence is:

aₙ = a + (n - 1)d

where:

a is first term

d is common difference

n is position of term

We are given:

First row = 18 seats

Second row = 25 seats

Common difference = 7

Thus:

aₙ = 18 + (n - 1)7

aₙ = 18 + 7n - 7

aₙ = 7n + 11

The row that has 102 seats is:

102 = 7n + 11

7n = 102 - 11

7n = 91

n = 91/7

n = 13

Read more about Arithmetic Sequence at: https://brainly.com/question/6561461

#SPJ1

Consider a die with 6 faces with values 1.2.3.4.5.6. In principle the probabilities to draw the faces are all equal to so that after several draws on average the value is £ (1+2+3-4-5-6) = 3.5. Suppose now that the average value is found to be

Answers

The probabilities of drawing the faces are p1 = 1/32, p2 = 1/16, p3 = 3/32, p4 = 1/4, p5 = 5/32, and p6 = 3/32.

To determine the probabilities p1, p2, p3, p4, p5, and p6 in the absence of any other information on the die, we can use Shannon's statistical entropy.


The Shannon entropy formula is given by H = -∑(pi log2 pi), where pi is the probability of the ith outcome. We want to maximize the entropy subject to the constraint that the average value is 4.

Let's assume that the probabilities are not all equal to 1/6, and instead denote the probabilities as p1, p2, p3, p4, p5, and p6. We know that the average value is 4, so we can write:

4 = (1)p1 + (2)p2 + (3)p3 + (4)p4 + (5)p5 + (6)p6

We also know that the probabilities must sum to 1, so we can write:

1 = p1 + p2 + p3 + p4 + p5 + p6

To maximize the entropy, we need to solve for p1, p2, p3, p4, p5, and p6 in the equation H = -∑(pi log2 pi) subject to the above constraints. This can be done using Lagrange multipliers:

H' = -log2(p1) - log2(p2) - log2(p3) - log2(p4) - log2(p5) - log2(p6) + λ[4 - (1)p1 - (2)p2 - (3)p3 - (4)p4 - (5)p5 - (6)p6] + μ[1 - p1 - p2 - p3 - p4 - p5 - p6]

Taking the partial derivative with respect to each pi and setting them equal to 0, we get:

-1/log2(e) - λ = 0
-2/log2(e) - 2λ = 0
-3/log2(e) - 3λ = 0
-4/log2(e) - 4λ = 0
-5/log2(e) - 5λ = 0
-6/log2(e) - 6λ = 0

where λ and μ are Lagrange multipliers. Solving for λ, we get:

λ = -1/(log2(e))

Substituting this value of λ into the above equations, we get:

p1 = 1/32
p2 = 1/16
p3 = 3/32
p4 = 1/4
p5 = 5/32
p6 = 3/32

Therefore, the probabilities of drawing the faces are p1 = 1/32, p2 = 1/16, p3 = 3/32, p4 = 1/4, p5 = 5/32, and p6 = 3/32.

The complete question should be:

Consider a die with 6 faces with values 1.2.3.4.5.6. In principle, the probabilities to draw the faces are all equal so that after several draws on average the value is £ (1+2+3-4-5-6) = 3.5. Suppose now that the average value is found to be 4. In the absence of any other information on the dic, suggest a way to determine the probabilities pr.12.13.P4, P5:p? (hint: use Shannon statistical entropy)

Learn more about statistics:

https://brainly.com/question/15525560

#SPJ11

There are three colors of snapdragons, solve for all the values if there are 100 red flowers, 800 pink flowers, and 100 white flowers. Solve for the alleles.

Answers

The frequencies of the dominant red allele, the recessive white allele, and the incomplete dominance allele that produces pink flowers are 0.425, 0.475, and 0.55, respectively.

To solve for the alleles, we need to first determine the possible genetic combinations that could result in the observed flower colors. Let's use the following notation: R for the dominant red allele, r for the recessive white allele, and P for the incomplete dominance allele that produces pink flowers when paired with either R or r.

If we assume that the inheritance of flower color follows Mendelian genetics, we can use the Punnett square to determine the expected ratios of offspring for each possible combination of alleles. Here are the possible genetic combinations and their expected ratios:

RR (red) x RR (red) = 100% RR (red)
RR (red) x RP (pink) = 50% RR (red), 50% RP (pink)
RR (red) x rr (white) = 100% Rr (pink)
RP (pink) x RP (pink) = 25% RR (red), 50% RP (pink), 25% rr (white)
RP (pink) x rr (white) = 50% Rr (pink), 50% rr (white)

Using these ratios, we can calculate the expected number of each genotype based on the observed number of flowers:

RR (red) = 100
RP (pink) = 0.5 x (800 + 100) = 450
Rr (pink) = 2 x 100 = 200
rr (white) = 0.25 x 800 + 0.5 x 100 = 250

Therefore, the allele frequencies can be calculated as follows:

R = (2 x RR) + RP + Rr = (2 x 100) + 450 + 200 = 850
r = (2 x rr) + RP + Rr = (2 x 250) + 450 + 200 = 950
P = RP + (0.5 x Rr) = 450 + (0.5 x 200) = 550

Know more about frequencies here:

https://brainly.com/question/5102661

#SPJ11

What is the sum of 8 of the interior angles of a regular nonagon?

Answers

The sum of 8 of the interior angles of a regular nonagon is 1120 degrees.

A nonagon is a polygon with 9 sides and 9 interior angles. The sum of the interior angles of any polygon is given by using the method (n-2) × 180 degrees, wherein n is the number of sides.

Therefore, the sum of the interior angles of a nonagon is (9-2) × 180 = 1260 levels.

Because the nonagon is a regular polygon, every of its interior angles has the equal degree. To discover the measure of every attitude, we will divide the sum of the interior angles through the wide variety of angles.

Therefore, the degree of every interior perspective of a ordinary nonagon is 1260/9 = 140 ranges.

To discover the sum of 8 of the interior angles, we are able to simply multiply the measure of each attitude through eight, which gives:

8 × 140 = 1120 degrees

Thus, the sum of 8 of the interior angles of a regular nonagon is 1120 degrees.

Learn more about Nonagon:-

https://brainly.com/question/31020072

#SPJ4

Two parallel sides of a rectangle are being lengthened at the rate of 2 in/sec, while the other two sides are shortened in such a way that the figure remains a rectangle with constant area of 50 in2. What is the rate of change of the perimeter when the length of an increasing side is 5 in? Is the perimeter increasing or decreasing?

Answers

Let L and W be the length and width of the rectangle, respectively. We know that LW = 50, so differentiating both sides with respect to t, we get:

d/dt (LW) = d/dt (50)

dL/dt * W + L * dW/dt = 0

dL/dt * W = - L * dW/dt

We also know that dL/dt = 2 in/sec, and we want to find dP/dt, where P = 2L + 2W is the perimeter of the rectangle.

When L = 5 in, W = 10 in, so:

dL/dt * W = 2 * 10 = 20 in^2/sec

And:

dP/dt = 2 * dL/dt + 2 * dW/dt

Substituting dL/dt * W = - L * dW/dt, we get:

dP/dt = 2 * dL/dt - 2 * (L/W) * dL/dt

When L = 5 in, W = 10 in, so:

dP/dt = 2 * 2 - 2 * (5/10) * 2 = 0 in/sec

Therefore, the perimeter is not changing at this moment, and it is neither increasing nor decreasing.

Can u mark my answer as the Brainlyest if it work Ty

Answer: The correct answer is A

i have no clue if this is correct if it is goodluck lol

The scatter plot represents the average daytime temperatures recorded in New York for a week. What is the range of the temperature data in degrees Fahrenheit?

Answers

Answer:

The answer to your problem is, the range of the temperature data in degrees Fahrenheit is 15°F.

Step-by-step explanation:

In this scatter plot it represents the average daytime temperatures recorded in New York for a week.

highest temperature in a week from the scatter plot is 45°F.

lowest temperature in a week from the scatter plot is 30°F.

Range = 45°F - 30°F

= 15°F

Thus the answer to your problems is, the range of the temperature data in degrees Fahrenheit is 15°F.

In a sample of 400 students, 180 said they work a part time job. Construct a 95% confidence interval for the true proportion of students who work a part-time job. What is the margin of error?
O. 052
O. 044
O. 034
O. 049

Answers

The 95% confidence interval for the true proportion of students who work a part-time job is approximately (0.4014, 0.4986), and the margin of error is approximately 0.0486. So, the closest answer among the options provided is 0.049.

To construct a 95% confidence interval for the true proportion of students who work a part-time job and find the margin of error, follow these steps:

1. Determine the sample proportion (p-hat):

Divide the number of students who work a part-time job (180) by the total number of students (400).
p-hat = [tex]\frac{180}{400}=0.45[/tex]

2. Determine the critical value (z) for a 95% confidence interval. Using a z-table, the critical value is approximately 1.96.

3. Calculate the standard error (SE) of the sample proportion:

SE =[tex]\frac{\sqrt{(p-hat)(1-p-hat)}}{n}[/tex] = [tex]\frac{\sqrt{(0.45)(1-0.45)}}{400}[/tex]≈ 0.0248

4. Calculate the margin of error (ME) by multiplying the critical value (z) by the standard error (SE):
ME = 1.96×0.0248 ≈ 0.0486

5. Construct the confidence interval by adding and subtracting the margin of error from the sample proportion:
Lower bound: 0.45 - 0.0486 ≈ 0.4014
Upper bound: 0.45 + 0.0486 ≈ 0.4986

So, the closest answer among the options provided is the fourth option 0.049.

To know more about the margin of error visit:

https://brainly.com/question/30760735

#SPJ11

When a particle is located a distance x meters from the origin, a force of cos((pi)x/9) newtons acts on it.Find the work done in moving the particle from x=4 to x=4.5:from x = 4.5 to x = 5:from x = 4 to x = 5:

Answers

The work done in moving the particle from x=4 to x=4.5 is approximately 0.0828 joules, from x=4.5 to x=5 is approximately -0.0617 joules, and from x=4 to x=5 is approximately 0.0211 joules.

To calculate the work done, we can use the formula W = ∫F(x)dx, where F(x) is the force acting on the particle at a distance x from the origin. In this case, F(x) = cos((pi)x/9).

To find the work done in moving the particle from x=4 to x=4.5, we can integrate the force over the range of x=4 to x=4.5:

W = ∫[cos((pi)x/9)]dx from x=4 to x=4.5
W = [(9/pi)sin((pi)x/9)] from x=4 to x=4.5
W = 0.0828 joules

Similarly, to find the work done in moving the particle from x=4.5 to x=5, we can integrate the force over the range of x=4.5 to x=5:

W = ∫[cos((pi)x/9)]dx from x=4.5 to x=5
W = [(9/pi)sin((pi)x/9)] from x=4.5 to x=5
W = -0.0617 joules

Finally, to find the work done in moving the particle from x=4 to x=5, we can integrate the force over the range of x=4 to x=5:

W = ∫[cos((pi)x/9)]dx from x=4 to x=5
W = [(9/pi)sin((pi)x/9)] from x=4 to x=5
W = 0.0211 joules

Note that these calculations are approximate due to the use of numerical integration methods. However, they provide a good estimate of the work done in each case.

To learn more about Numerical integration, visit:

https://brainly.com/question/22008756

#SPJ11

1. [0. 6/2 Points] DETAILS PREVIOUS ANSWERS MY NOTES ASK YOUR TEACHER Problem 6-23 Consider a random experiment involving three boxes, each containing a mixture of red and green balls, with the following quantities: Box A Box B Box C 31 Red Balls 12 Red Balls 24 Red Balls 16 Green Balls 20 Green Balls 16 Green Balls The first ball will be selected at random from box A. If that ball is red, the second ball will be drawn from box B; otherwise, the second ball will be taken from box C. Let R1 and G1 represent the color of the first ball, R2 and G2 the color of the second. Determine the following probabilities. (Hint: The conditional probability identity will not work. ) (a) Pr[Ru]= 65957 (b) Pr[G]= 340425 (c) Pr[R2 | Ri]=. 247338 X (d) Pr[R2 | Gi]= (e) Pr[G2 | Gi]= (f) Pr[G2 | Rī]=

Answers

We have the probabilities of drawing balls from the boxes to be

a) P(R₁) = 0.65957, b) P(G₁) = 0.34042, c) P(R₂ | R₁) = 0.375 d) P(R₂ | G₁) = 0.6, e) P(G₂ | G₁) = 0.4, and f) P(G₂ | R₁) = 0.625

Here clearly

G₁ is the event of drawing a green ball from Box A

and R₁ is the event of drawing a red ball from box A

In box A there are 31 red balls annd 16 green balls. Hence 47 balls in total Therefore,

a)

P(R₁) = 31/47

= 0.65957

b)

P(G₁) = 16/47

= 0.34042

Now in Box B there are 12 red balls and 20 green balls that is 32 balls in total

In box C there are 24 red balls and 26 green balls, that is 40 balls in total.

c)

We need to find P(R₂ | R₁)

This means that we need to find the probability of drawing a red ball second time, if the first ball is red.

If the first ball is red, then the next ball is drawn from Box B

Hence  P(R₂ | R₁) = 12/32 = 0.375

d)

Next we need to find  P(R₂ | G₁) This means that we need to find the probability of second ball being red when first ball was drawn was green.

If the first ball drawn is green, then the second ball would be drawn from Box C

Hence we get P(R₂ | G₁) = 24/40

= 0.6

e)

Now we need to find P(G₂ | G₁) Clearly, this woule be

1 - P(R₂ | G₁)

= 0.4

f)

Next we have P(G₂ | R₁)

This clearly is 1 - P(R₂ | R₁) = 0.625

Hence we have the probabilities of drawing balls from the boxes to be P(R₁) = 0.65957, P(G₁) = 0.34042,  P(R₂ | R₁) = 0.375  P(R₂ | G₁) = 0.6

P(G₂ | G₁) = 0.4 P(G₂ | R₁) = 0.625

To learn more about Probability visit

https://brainly.com/question/30034780

#SPJ4

A rich school has 48 players on the football team. The summary of the players' weight is even in the box plot. What is the median weight of the players 173 2016 240 TO 249 - 150 160 170 180 190 200 220 220 230 240 250 260 270 00 Wecht on pound Answer all Tables Keypad Keyboard Shortcuts pounds

Answers

The median weight of the players is 225 pounds.

To find the median weight of the players, we need to find the weight value that separates the 24th and 25th ordered weights. We can do this by looking at the box plot and determining the boundaries of the box, which contains the middle 50% of the data.

From the box plot, we can see that the box extends from 170 pounds to 250 pounds, so these are the weights that make up the middle 50% of the data. The median weight will be the weight that is in the middle of this range.

To find the median weight, we can take the average of the two middle values in this range. The two middle values are 220 and 230 pounds. So the median weight is:

(220 + 230) / 2 = 225 pounds

Therefore, the median weight of the players is 225 pounds.

To learn more about median visit:

https://brainly.com/question/1153198

#SPJ11

In circle F with m ∠ � � � = 2 3 ∘ m∠EHG=23 ∘ , find the angle measure of minor arc � � ⌢. EG

Answers

If a circle has a radius of 2 meters and a central angle EOG that measures 125° then  length of the intercepted arc EG is 4.4 m

The circumference of the circle is calculated through the equation,

C = 2πr

Substituting the known values,

C = 2π(2 m) = 4π m

The measure of the arc is the circumference times the ratio of the given central angle to the total revolution,

A = (4π m)(125°/360°)

The measure of the arc is 4.36 m or 4.4 m.

To learn more on Circles click:

https://brainly.com/question/11833983

#SPJ1

A circle has a radius of 2 meters and a central angle EOG that measures 125°. What is the length of the intercepted arc EG? Use 3.14 for pi and round your answer to the nearest tenth.

A.0.7 m

B.1.4 m

C.2.2 m

D.4.4 m

Find the area of the triangle.

Answers

The area of the triangle is 13.5m²

What is area of triangle?

A triangle is a closed, 2-dimensional shape with 3 sides, 3 angles, and 3 vertices. A triangle is also a polygon.

There are different types of triangle: we have isosceles triangle, equilateral triangle, Scalene triangle e.t.c

The area of a triangle is expressed as;

A = 1/2 bh

where b is the base and h is the height.

A = 1/2 × 9 × 3

A = 27/2

A = 13.5m²

therefore the area of the triangle is 13.5m²

learn more about area of triangle from

https://brainly.com/question/17335144

#SPJ1

10-6x<70 inequalities

Answers

The solution to the inequality is x > -10.

We have,

To solve the inequality 10 - 6x < 70, we need to isolate the variable x on one side of the inequality.

First, we can simplify the left-hand side of the inequality by subtracting 10 from both sides:

10 - 6x < 70

-6x < 60

Next, we can isolate x by dividing both sides of the inequality by -6, remembering to reverse the direction of the inequality because we are dividing by a negative number:

x > -10

Thus,

The solution to the inequality is x > -10, which means that any value of x that is greater than -10 will make the inequality true.

Learn more about inequalities here:

https://brainly.com/question/20383699

#SPJ1

Other Questions
the consumer's determines whether she will engage in habitual decision making, extensive problem solving, or something in between the two. When installing a post-tension system,the installer should have a minimum of 1. Which process is needed to maintain proper body temperature?digestionphotosynthesisperistalsisoxidation What does she say would be the "greatest miracle?" 77. By spelling out rights and duties of employees, and the consequences of deviating from the prescribed path, orientation programs tend to increase the need for corrective discipline measures as employees become socialized. True False for this discussion, please describe the role of the graphics api (such as opengl or webgl), graphics hardware (graphics cards, gpu, vpu), and the geometry pipeline. use examples when possible. remember to cite sources from this unit's reading using apa 7th edition format. Infer why both William Bradford and John Winthrop used allusion in Of Plymouth Plantation and "A Model of Christian Charity. " What examples of allusion can you find in William Bradford in from Of Plymouth Plantation and John Winthrop's "A Model of Christian Charity" to support your answer? In your answer make sure you have at least five to seven sentences and cite at least one line from Of Plymouth Plantation with page numbers (Bradford 3) and one line from "A Model of Christian Charity" OR two lines from "A Model of Christian Charity. " Please use correct grammar, punctuation, capitalization, and spelling 1. A 65 kg bungee-jumper is jumping from a tall bridge. The bungee cord has a spring constant of 50 N/m, and is 20 meters long when at rest. A) What is the gravitational potential energy of the jumper when he stands on the bridge? B) How much kinetic energy will the jumper have before the cord starts stretching? C) How fast will he be going at this time? D) How tall must the bridge be for the jumper to avoid getting an ouchie? (assume that the jumper is 2 meters tall) E) If energy is conserved, why doesnt the jumper return to the bridge? A survey asked people of different ages whether they get their news byreading the paper. What is the probability that a person surveyed is 40 orabove, given that he or she gets the news by reading the paper? If necessary,round your answer to the nearest percent.Don't readRead paperTotalUnder 4040 or olderTotal42428paper361652404080 which of the following statements concerning california's three sets of base lines and meridians is true?A. The Humboldt Base Line and Meridian in the southwestern part of the State; The Mt. Diablo Base Line and Meridian in the central part of the State; and The San Bernardino Base Line and Meridian in the northwestern part of the State.B. The Humboldt Base Line and Meridian in the northwestern part of the State; The Mt. Diablo Base Line and Meridian in the central part of the State; and The San Bernardino Base Line and Meridian in the southern part of the State.C. The Humboldt Base Line and Meridian in the northwestern part of the State; The Mt. Diablo Base Line and Meridian in the southern part of the State; and The San Bernardino Base Line and Meridian in the central part of the State.D. The Humboldt Base Line and Meridian in the central part of the State; The Mt. Diablo Base Line and Meridian in the northwestern part of the State; and The San Bernardino Base Line and Meridian in the southern part of the State. Winston cries out, "They've got you too!" To which O'Brien replies, "They got me long ago," and identifies himself as...Question 10 options:The leader of the BrotherhoodEmmanuel GoldsteinJulia's husbandAn operative of the Ministry of Love 37. A firm has forecasted sales of $3,000 in April, $4,500 in May, and $12,000 in June. All sales are on credit. 30% is collected the month of sale and the remainder the following month. What will be the balance in accounts receivable at the end of June? A. $1,950B. $6,500C. $8,400D. $5,100 Why does magma have tendency to rise after its formation? QUESTION 1: Find the eigenvalues and eigenvectors of the matrix A = 1 1 31 5 13 1 1QUESTION 2: Find a matrix P which transforms the matrix A= 1 1 31 5 13 1 1to diagonal form. Hence calculate A Steric strain occurs when parts of molecules are Choose. And their electron clouds Choose. Each other. Molecules with steric strain are Choose. Than those without strain A research organization conducts certain chemical tests on samples. They have data available on the standard results. Some of the samples give results outside the boundary of the standard results. Which data mining method follows a similar approach? A. data cleansing B. network intrusion C. fraud detection D. customer classification E. deviation detection calculate the amount (mol) of each compound based on the masses that react. molar mass of naoh: 40.00 g/mol molar mass of fecl3: 162.21 g/mol Valeria practices the piano 910 minutes in 5 weeks. Assuming she practices the same amount every week, how many minutes would she practice in 4 weeks? The nurse is developing a teaching plan for a patient who is 8 weeks pregnant. The nurse should tell the patient that she can expect to feel the fetus move at which time?A. Between 10 and 12 weeks gestationB. Between 16 and 20 weeks gestationC. Between 21 and 23 weeks gestationD. Between 24 and 26 weeks gestation Arun is going to invest $7,700 and leave it in an account for 20 years. Assuming theinterest is compounded continuously, what interest rate, to the nearest hundredth ofa percent, would be required in order for Arun to endend up with $13,100?