The maximum likelihood estimate of the probability of getting a green light on a single pass through the traffic signal is 0.63.
To find the maximum likelihood estimate of the probability p of a green light on a single pass, we need to consider the observed frequency of green lights in the given data.
1. We are given that the car passed through the traffic signal 100 times and got a green light 63 times.
2. To find the maximum likelihood estimate (MLE) of the probability p of a green light, we need to divide the number of successful green light events (63) by the total number of passes (100).
3. Calculate the MLE: p = 63/100 = 0.63
The maximum likelihood estimate of the probability p of a green light on a single pass is 0.63.
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A rectangular fish tank 35 cm long, 30 cm wide and 25 cm high is filled with water to a depth of 20 cm.
Find the volume of water in the fish tank.
Give your answer in liters.
Answer:
First, we need to calculate the volume of the rectangular fish tank. The volume of a rectangular solid is given by the formula:
volume = length x width x height
Plugging in the values we have, we get:
volume = 35 cm x 30 cm x 25 cm = 26,250 cubic cm
Next, we need to find the volume of water in the fish tank. The volume of water is equal to the volume of the space the water occupies, which is a rectangular solid with length 35 cm, width 30 cm, and height 20 cm. The volume of this rectangular solid is:
volume = length x width x height = 35 cm x 30 cm x 20 cm = 21,000 cubic cm
To convert cubic centimeters (cm^3) to liters (L), we need to divide by 1000:
volume = 21,000 cm^3 ÷ 1000 = 21 L
Therefore, the volume of water in the fish tank is 21 liters.
Step-by-step explanation:
Which compares the end behavior of the functions f and g?
f(x) = −17x − 9 g(x) = − 78
7
8
x + 20
A. For function f, as x → ∞
x
→
∞
, f(x) → ∞
f
(
x
)
→
∞
. Likewise, for function g, as x → ∞
x
→
∞
, g(x) → ∞
g
(
x
)
→
∞
.
B. For function f, as x → ∞
x
→
∞
, f(x) → −∞
f
(
x
)
→
−
∞
. Likewise, for function g, as x → ∞
x
→
∞
, g(x) → −∞
g
(
x
)
→
−
∞
.
C. For function f, as x → ∞
x
→
∞
, f(x) → −∞
f
(
x
)
→
-
∞
. However, for function g, as x → ∞
x
→
∞
, g(x) → ∞
g
(
x
)
→
∞
.
D. For function f, as x → ∞
x
→
∞
, f(x) → ∞
f
(
x
)
→
∞
. However, for function g, as x → ∞
x
→
∞
, g(x) → −∞
g
(
x
)
→
−
∞
.
Answer:
The correct option that compares the end behavior of the functions f and g is D.
For function f, as x → ∞, f(x) → -∞, which means that the function approaches negative infinity as x approaches infinity. This is because the leading term of the function is -17x, which approaches negative infinity as x approaches infinity.
For function g, as x → ∞, g(x) → -∞, which means that the function also approaches negative infinity as x approaches infinity. This is because the leading term of the function is -78/87x, which approaches negative infinity as x approaches infinity.
Therefore, both functions have the same end behavior, which is approaching negative infinity as x approaches infinity.
A circular arc of length 9 feet subtends a central angle of 65 degrees. Find the radius
of the circle in feet.
The radius of the circle is approximately 7.9 feet.
What is the radius of the circle?The arc length formula (if θ is in degrees) is expressed as:
s = 2πr × (θ/360°)
Where r is radius and θ is the central angle subtended by the arc.
Given that:
Arc length s = 9ft
Central angle subtended by the arc = 65°
Radius r = ?
Plug the given values into the above formula.
s = 2πr × (θ/360°)
9ft = 2 × 3.14 × r × (65/360°)
r = 9ft / 1.133888
r = 7.9 ft
Therefore, the radius is 7.9 ft.
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Question 2
Plot the coordinates on the number line provided and then find the coordinate of the indicated point
on a number line that partitions the segment into the given ratio.
(The numbers are not aligned properly to the marks, so redraw the number line.)
A is at -2 and B is at 14. Find the point, T, so that T is three-fourths of the distance from A to B.
-10
5
10
Note that in the line graph presented, 3/4 the distance from A to B is 12, thus, t = 12.
what is the explanation about this?
Given:
A (- 2 , 0) and B(14, 0)
Using distance formula, we can determine the distance between coordinates given:
d = √ ( (x2 - x1)² + ( y2 - y1) ²)
In this case, x1 = -2 y1 = 0,
x2 = 14, and y2 = 0.
Substituting these values into the formula, we get:
d = √( (14 - (-2 ) ) ² + (0 - 0) ²)
= √((16)² + (0)² )
= √(256)
= 16
The distanc between the points (-2,0) and (14,0) is 16 units.
Recall that we need to find the position of t which is 3/4 the distance between A and B.
That is:
3/4 x 16
t = 12.
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PLEASEEEE HELP MEMEMEMEM PLESSEEE I WILL GIVE U BRAINLIST QUICK
The numeric value of the function graphed is given as follows:
f(-8) = 6.
How to obtain the numeric value of the function?The expression for the numeric value of the function in this problem is given as follows:
f(-8).
This means that the input is given as follows:
x = -8.
Passing a vertical line through x = -8, the value of y in which the vertical line crosses the graph is given as follows:
y = 6.
Hence the numeric value is given as follows:
f(-8) = 6.
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Which function is a translation one unit right of the function f(x) = log x?
h(x) = log x + 1
g(x) = log x-1
j(x) = log(x + 1)
k(x) = log(x - 1)
Answer:
The function that is a translation one unit right of the function f(x) = log x is k(x) = log(x - 1).
When we shift a function f(x) one unit right, we replace x with (x - a) where "a" is the amount of the shift. In this case, "a" is equal to 1. Therefore, the function becomes:
f(x - 1) = log(x - 1)
This means that the function k(x) = log(x - 1) is obtained by shifting the function f(x) one unit to the right.
Marques is going to invest in an account paying an interest rate of 2% compounded
daily. How much would Marques need to invest, to the nearest dollar, for the value of
the account to reach $28,000 in 6 years?
Find the missing angle
Answer:
I Think 62°
Step-by-step explanation:
Male 16 15 2 33
Female 14 11 18 43
Total 30 26 20 76
If one student is chosen at random,
Find the probability that the student was female:
Find the probability that the student was female AND got a "C":
Find the probability that the student was female OR got a "C":
If one student is chosen at random, find the probability that the student was female GIVEN they got a 'C':
a) The probability that the student was female is 43/76
b) The probability that the student was female AND got a "C" is 9/38
c) The probability that the student was female OR got a "C" is 45/76
We have,
A B C
Male 16 15 2 33
Female 14 11 18 43
Total 30 26 20 76
a) The probability that the student was female
= 43/76
b) The probability that the student was female AND got a "C"
= 18/76
= 9/38
c) The probability that the student was female OR got a "C"
= 43 /76 + 20/76 - 18/76
= 45/76
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What is 3/10 + 1/4 + 4/5 enter your answer in the box as a mixed number in simplest form
Answer:
[tex]1 \frac{7}{20} [/tex]
Step-by-step explanation:
Well you should find a common denominator for 10, 4 and 5 first to be able to mix them. Let's take 20 because it's the smallest number we can convert 10, and 4 and 5 to.
So
[tex] \frac{3 \times 2}{10 \times 2} + \frac{1 \times 5}{4 \times 5} + \frac{4 \times 4}{5 \times 4} [/tex]
And you get
6/20 + 5/20 + 16/20 (now you can add them because they all have 20 as denominator) so = 27/20 = 1 7/20
Do the following using Matlab: Generate 10 numbers between 1 and 6, calculate the mean. Generate 100 numbers between 1 and 6. calculate the mean. Generate 1000 numbers between 1 and 6, calculate the mean. There is a command in Matlab to generate numbers. Do not include the numbers when you submit the project. The project should show the commands used and the results only The idea is to roll a die using Matlab commands, instead of doing it manually. Roll a die 10 times and record the outcome and then find the average of the outcomes. Then compare the means for the cases of 10, 100 & 1000. On page 2 of lecture 10, we found that the mean of rolling a die to be 3.5. Therefore, your answer will be close to 3.5 every time you repeat the experiment for larger numbers.
We can see that the means we got from Matlab are close to 3.5 for larger numbers of rolls.
We have,
To generate numbers between 1 and 6 in Matlab, we can use the "randi" command.
To generate 10 numbers, we can use:
```matlab
numbers10 = randi([1, 6], [1, 10]);
mean10 = mean(numbers10);
disp(mean10);
```
To generate 100 numbers, we can use:
```matlab
numbers100 = randi([1, 6], [1, 100]);
mean100 = mean(numbers100);
disp(mean100);
```
To generate 1000 numbers, we can use:
```matlab
numbers1000 = randi([1, 6], [1, 1000]);
mean1000 = mean(numbers1000);
disp(mean1000);
```
After running these commands, we will get the means for generating 10, 100, and 1000 numbers between 1 and 6.
As mentioned in the question, the mean of rolling a die is 3.5.
Therefore,
We can see that the means we got from Matlab are close to 3.5 for larger numbers of rolls.
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Michael checked several websites and stores around town for the television he wanted to purchase. He saw eight different prices: $273 $267 $276 $297 $264 $294 $264 $269 What is the mean, median, and mode of this data set?
The mean is 270.75 and the median is 271. While there is no single mode, then we conclude that our mode is 264 and 294 respectively.
Understanding how to calculate mean, median, modeBy definition:
Mean is the sum of all the numbers in the set divided by the total number of numbers.
Median is the middle value in the set when the numbers are arranged in order.
Mode is the number that appears most frequently in the set.
If we re-arrange the data given in ascending order, we have:
264 264 267 269 273 276 294 297
To calculate Mean:
Add up all the numbers and divide by the total number of numbers:
Mean = (264 + 264 + 267 + 269 + 273 + 276 + 294 + 297) / 8
Mean = 270.75
To calculate Median:
We need to find the middle number in the set. Since there are 8 numbers in the set, the median is the average of the 4th and 5th numbers:
Median = (269 + 273) / 2
Median = 271
To calculate Mode:
We need to determine which number appears most frequently in the set. In this case, there are two numbers that appear twice (264 and 294), and the rest of the numbers appear only once. Therefore, there is no single mode for this data set.
Mode = 264 and 294
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Select the correct answer. What is the solution to 4|x − 3| + 1 = 1? A. x = 3 B. x = 3 or x = 4 C. x = 3 or x = 6 D. No solutions exist.
Answer:
a
Step-by-step explanation:
Find the values of x and y
Answer:
x = 8.4
y = 23.6
Step-by-step explanation:
tan31 = x/14
x = tan31(14) = 8.412
y² = (8.412)² + (22)² = 554.7626
y = √554.7626 = 23.55
1. Out of 318 seventh and eighth grade CAVA students there were 48 students that chose Music as their elective
course and the rest chose World Language. There were a total of 124 eighth grade students and 108 of them
chose World Language as their elective.
Use this information to complete the two-way table completely.
Enter your answer by filling in the boxes to complete the table (5 pts)
Answer:
8th Grade
7th Grade
Totals
Music
48
World Language
108
Totals
124
318
The students in 8th class who choose music are 16 in number,
The students in 7th class who choose music are 32 in number
The total who choose world language is 270
The totals who are in 7th grade be 194
The number of students who choose world language in 7th class are 162
Let x be the students in 8th class who choose music
x+108=124
x=124-108
x=16 students
Now y be the students in 7th class who choose music
16+y=48
y=48-16
y=32
Let z be the total who choose world language
48+z=318
z=318-48
z=270
Now the totals who are in 7th grade be A
124+A=318
A=318-124
A=194
B be the number of students who choose world language in 7th class
Now 32+B=194
B=194-32
B=162
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Hurry up please time limit
State the domain and range and tell if the graph is a function yes or no?
What’s the domain and range ?
Answer:No, X=-3, yly =-4,0,4
Step-by-step explanation:
PLEASE HELP (WILL GIVE BRAINLIEST
The exact volume of the soup can is 18.375 π cubic inches. So, correct option is C.
The volume of a cylinder can be found by multiplying the area of the base (circle) by the height of the cylinder. In this case, the diameter of the base is 3.5 inches, which means the radius is 1.75 inches (since radius = diameter/2).
So the area of the base can be calculated as:
π × (1.75 in)² = π × 3.0625 in²
The height of the cylinder is given as 6 inches.
Therefore, the exact volume of the soup can would be:
π × (1.75 in)² × 6 in = π × 3.0625 in² × 6 in = 18.375 π cubic inches (rounded to two decimal places)
So, correct option is C.
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72+z rewrite the expression as a produc 72
Rewriting the expression based on the information will be 72(1 + z/72).
How to explain the expressionIn order to transform 72 + z into a product based on 72, we can apply the distributive property of multiplication over addition. Essentially, this property maintains that:
a x (b + c) = a x b + a x c
By extension, we can create the following equation:
72 + z = 72 + 1 x z
In order to produce an equivalent expression as a multiple of 72 and another factor, we would then need to use the distributive rule once again:
72 + 1 x z = 72 x 1 + 72 x z/72
Simplification leads us to arrive at:
72 + z = 72(1 + z/72)
Our end result is expressed as a synthesis between 72 and the expression (1 + z/72), namely:
72(1 + z/72).
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Why is it essential to maximize the volume for a fixed surface area for cost and material waste?
It is essential to maximize the volume for a fixed surface area for cost and material waste.
Because it can help to optimize the efficiency of material usage and minimize the cost of production.
In many manufacturing and construction processes, the cost of materials is a significant expense.
By maximizing the volume of an object for a fixed surface area, we can reduce the amount of material needed to construct the object.
This means that we can save money on material costs and reduce waste by using fewer materials overall.
In addition, minimizing the surface area of an object for a fixed volume can also help to reduce production costs.
This is because the surface area of an object is often a factor in determining the time and labor required to produce it.
By minimizing the surface area, we can reduce the amount of time and labor needed to produce the object.
Which can help to reduce production costs.
Therefore, maximizing volume for fixed surface area is an essential consideration in many manufacturing and construction processes.
It help to optimize material usage, minimize waste, and reduce production costs.
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if i have 7 shirts and 2 pants how many outfits can i make
Answer:14
Step-by-step explanation:
2 pants can only go with the different shirts once. So it should be 14
PLEASE HELP ILL DO SNYTHING PLSPLSPLS
5. Beth is 63 years old. She loves to bike. She decides to look at other clubs to join. Why do you think she didn’t want to join this club? Explain your answer using the stem-and-leaf plot above. (1 point)
Beth could not join the club because the highest age which is allowed here is only 55 years
Since, A statistical expression obtained from a list of data that refers an abnormal gap from other values.
The statistical rules that instruct us to divides the data or observation values into four parts.
After analyzing the stem leaf diagram, we noticed the youngest age allowed to join the club is 10 years and the club allow highest 55 years old to join.
the plot also defines that the number of members is declined with the age. There is only person in the club who is 55 years. There are few members with the age over 40 years.
hence, Beth did not join the club because her age was above the highest age that allowed in this club.
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Help please!! I need help!!! I will mark you brainlest!
Answer:
2(4.5) + (1/2)(4)(2) = 9 + 4 = 13 square feet
What function is represented in the table?
Select one:
y = 3(2^x)
y = 2(3^x)
y = 2(.5^x)
y = 3^x
The exponential function represented in the table is given as follows:
y = 3^x.
How to define an exponential function?An exponential function has the definition presented as follows:
y = ab^x.
In which the parameters are given as follows:
a is the value of y when x = 0.b is the rate of change.From the table, we have that when x= 0, y = 1, hence the parameter a is given as follows:
a = 1.
When x is increased by one, y is multiplied by three, hence the parameter b is given as follows:
b = 3.
Hence the function is:
y = 3^x.
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Which number line shows a graph of the inequality x < 6
The number line that shows the inequality x < 6 is given by the following option:
Option D.
What are the inequality symbols?The four inequality symbols, along with their meaning on the number line and the coordinate plane, are presented as follows:
> x: the amount is greater than x -> the number is to the right of x with an open dot at the number line. -> points above the dashed horizontal line y = x on the coordinate plane.< x: the amount is less than x. -> the number is to the left of x with an open dot at the number line. -> points below the dashed horizontal line y = x on the coordinate plane.≥ x: the amount is at least x. -> the number is to the right of x with a closed dot at the number line. -> points above the solid vertical line y = x on the coordinate plane.≤ the amount is at most x. -> the number is to the left of x with a closed dot at the number line. -> points above the dashed vertical line y = x on the coordinate plane.The inequality for this problem is given as follows:
x < 6.
Which is composed by the numbers to the left of x = 6, with an open circle, due to the open interval.
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The data set below gives the number of confirmed cases of malaria in Ethiopia.
Find the exponential model that best fits the data set and use the equation to estimate the number of malaria cases in 2017.
Year 2001 2002 2005 2007 2009 2010 2012
Malaria 392 428 539 451 1036 1158 1693
cases
In thousands
The number of malaria cases in 2017 is 2700.
Let the dependent variable, y is malaria cases in thousands and the independent variable, x is the year.
Here, x is the number of years starting in the year 2000.
The required model is obtained as [tex]y = 299e^{0.1295x}[/tex]
Now, the predicted number of malaria cases in the year 2017, that is, x = 17 years can be computed as,
[tex]y = 299e^{0.1295(17)}\\\\= 299(9.020\\\\= 2700[/tex]
Hence, the number of malaria cases in 2017 is 2700.
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Tomas used 3 [tex]\frac{1}{2}[/tex] of flour and now has 1 and two-thirds cups left. Which equation can he use to find f, the number of cups of flour he had to begin with?
f + 3 and one-third = 1 and two-thirds
f minus 3 and one-third = 1 and two-thirds
3 and one-third f = 1 and two-thirds
f divided by 3 and one-third = 1 and two-thirds
Answer:
B
Step-by-step explanation:
Answer:
I think It's b or a
Step-by-step explanation:
did this like 4 weeks ago.
what is the volume of a hemisphere with a diameter of 8ft (rounded to the nearest tenth of a cubic foot)
well, if the hemisphere has a diameter of 8, that means its radius is half that or 4, hmm let's find the volume of a Sphere with such a radius, then let's halve it.
[tex]\textit{volume of a sphere}\\\\ V=\cfrac{4\pi r^3}{3}~~ \begin{cases} r=radius\\[-0.5em] \hrulefill\\ r=4 \end{cases}\implies V=\cfrac{4\pi (4)^3}{3} \\\\\\ \stackrel{\textit{now let's get half of that for the hemisphere}}{V=\cfrac{1}{2}\cdot \cfrac{4\pi (4)^3}{3}\implies V=\cfrac{128\pi }{3}}\implies \boxed{V\approx 134.0}[/tex]
In this circle, mQR = 72°.
What is m/QPR?
A. 18°
B. 24°
C 36°
D. 72°
Please show work or give an explanation please
Answer:
< QPR = 36
Step-by-step explanation:
Inscribed Angle = 1/2 Intercepted Arc
< QPR = 1/2 ( 72)
< QPR = 36
Find the volume of rectangular prism. (You should have at least 2 steps shows in your work!)(show all decimal places or a fraction)
The volume of this rectangular prism include the following: 84.375 cubic meters.
How to calculate the volume of a rectangular prism?In Mathematics and Geometry, the volume of a rectangular prism can be calculated by using the following formula:
Volume of a rectangular prism = L × W × H
Where:
L represents the length of a rectangular prism.W represents the width of a rectangular prism.H represents the height of a rectangular prism.By substituting the given dimensions (parameters) into the formula for the volume of a rectangular prism, we have the following;
Volume of rectangular prism = 5 × 4 1/2 × 3 3/4
Volume of rectangular prism = 5 × 4.5 × 3.75
Volume of rectangular prism = 84.375 cubic meters.
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PLEASE HELP ( WILL GIVE BRAINLIEST)
The amount of money Laurie would pay to have the pond cleaned is equal to $3,161.85.
How to calculate the volume of a hemisphere?In Mathematics and Geometry, the volume of a hemisphere can be calculated by using the following mathematical equation (formula):
Volume of a hemisphere = 2/3 × πr³
Where:
r represents the radius.
Note: Radius = diameter/2 = 13/2 = 6.5 feet.
By substituting the given parameters into the formula for the volume of a hemisphere, we have the following;
Volume of a hemisphere = 2/3 × 3.14 × (6.5)³
Volume of a hemisphere = 574.881 ft³
Cost = 5.50 × 574.881 ft³
Cost = $3,161.85
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