Testing the hypothesis, it is found that the p-value of the test is 0.017 < 0.05, which means that we can conclude that the red shirt increases his chances of winning.
At the null hypothesis, we test if the proportion is of 40%, that is:
[tex]H_0: p = 0.4[/tex]
At the alternative hypothesis, we test if the proportion is greater than 40%, that is:
[tex]H_1: p > 0.4[/tex]
The test statistic is:
[tex]Z = \frac{X - p}{s}[/tex]
In which:
X is the sample proportion.p is the value tested at the null hypothesis.s is the standard error, given by:[tex]s = \sqrt{\frac{p(1 - p)}{n}}[/tex]
With n as the sample size.
In this problem:
0.4 is tested at the null hypothesis, thus [tex]p = 0.4[/tex].Won 3 out of 3, thus [tex]n = 3, X = \frac{3}{3} = 1[/tex].The standard error is:[tex]s = \sqrt{\frac{0.4(0.6)}{3}} = 0.283[/tex]
The value of the test statistic is:
[tex]Z = \frac{X - p}{s}[/tex]
[tex]Z = \frac{1 - 0.4}{0.283}[/tex]
[tex]Z = 2.12[/tex]
The p-value is the probability of finding a sample proportion of 1 or "above", which is 1 subtracted by the p-value of Z = 2.12.
Looking at the z-table, Z = 2.12 has a p-value of 0.983.1 - 0.983 = 0.017.The p-value of the test is 0.017 < 0.05, which means that we can conclude that the red shirt increases his chances of winning.
A similar problem is given at https://brainly.com/question/24166849
True or False? No matter how the colonial government was setup, England had the ultimate say within the colonies
Answer:
true
Step-by-step explanation:
England claimed the colonies, so they ruled over them.
x-5<2 or x-5>7
The solutions to the compound iniquity are _ or _.
Answer:
from your DVR to record the points you like
Step-by-step explanation:
because I only want the points
khan acdemy vdieo on Compound inequalities:
https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:solve-equations-inequalities/x2f8bb11595b61c86:compound-inequalities/v/compund-inequalities
question 10. please i didnt listen to the lecture please help
Answer:
I wrote the answers in the screenshot
5. Write an equation in point-slope form for the line through the given point with the given slope.
Answer:
C. y+3= -1/4(x-8)
Step-by-step explanation:
The slope-intercept form:
m - slope
b - y-intercept
We have the slope
and point (8, -3). Substitute:
add 2 to both sides
Answer:
The point-slope form:
Substitute:
ANSWER: y+3= -1/4(x-8)
Formule una propiedad algebraica basica del sistema de numeros reales para justificar cada uno de los siguientes enunciados, donde Y y Z representan numeros reales. a) (y + 2)z+3=(yz+2z)+3 b) (4+7)y=y(4+7) C) (1+4)+3=4+(1+3)
Answer:
Nose :>
Step-by-step explanation:
.
The algebraic properties that can be applied in this case are: distributive property, commutative property, associative property.
What properties can we apply in this situation?a) Distributive Property: (y + 2)z + 3 = yz + 2z + 3. The distributive property establishes that multiplication is distributed over addition or subtraction, allowing us to simplify the original expression by adding the product of y and z to 2z and then adding 3.b) Commutative property: 4y + 7y = y(4 + 7). The Commutative Property of Multiplication states that the order of the factors does not affect the result. Here, 4y and 7y can be rearranged as y(4) and y(7) respectively, keeping the same result.c) Associative Property: (1 + 4) + 3 = 4 + (1 + 3). The Associative Property of Addition states that numbers can be grouped in different ways without changing the sum total. Both sides of the equation group the numbers the same way.Note: The question is in Spanish. Here is the question in English:
Formulate a basic algebraic property of the real number system to justify each of the following statements, where Y and Z represent real numbers. a) (y + 2)z + 3 = (yz + 2z) + 3
b) (4 + 7)y = y (4 + 7)
c) (1 + 4) + 3 = 4 + (1 + 3)
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The following ratio table has a mistake. Select the value that does not create an equivalent ratio. Ratio Table 1 2 3 6 5 10 10 12
Answer:
10 and 12
Step-by-step explanation:
10 and 12
if I divide 3 and 6 by 3 I get 1/2
if I divide 5 and 10 by 5 I get 1/2
1/2 is the first one listed
I cannot reduce 10/12 and get 1/2, I get 5/6
An image of a book shown on a website is 1.5 inches wide and 3 inches tall on a computer monitor. The actual book is 9 inches wide.
1. What scale factor is being used to make the image?
A scale factor of
2. How tall is the actual book?
inches
Answer: 6, 18
Step-by-step explanation:
a. actual width/scaled width = 9/1.5 = 6
b. scaled width*scale factor = 3*6 = 18
Write the equation in slope-intercept form.
6x – 3y = -18
Answer:
y = 2X + 6
Step-by-step explanation:
6x +18 = 3y
y = 6/3x + 18/3
Find each product -1(9)
Answer:
-9
Step-by-step explanation:
-1×9. that is how it is
What is the probability
The answer is yes but not if so
Use the zeros and the labeled point to write the quadratic function
represented by the graph.
у
Х
-5
5
(3-6)
- 10
Answer:
y = 2x2 - 10x + 12
Step-by-step explanation:
The quadratic function represented by the graph is y= 2x² - 10x + 12.
What is the quadratic function represented by the graph?The task's requirements dictate that the quadratic function represented by the graph be identified.
As the roots of the quadratic function are p and q, the quadratic function can be described as y = a (x - p) (x - q), where a is a constant.
As a result, since the roots are 2 and 3, we obtain;
y = a (x - 2) (x -3) (x -3)
So, we must substitute the values defined by the provided point, (1, 4), as shown below in order to find the value of the constant, a.
4 = a (1 -2) (1 -3)
4 = a(-1) (-2)
4 = 2a
a = 2.
So, the required equation is y = 2 (x - 2) (x - 3).
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SORMONE PLEASE HELP ME!! ASAP ILL MARK BRAINLIEST!!!
Answer:
C
Step-by-step explanation:
To write the equation of line when slope and one point is given
[tex]y2 - y1 = m(x2 - x1)[/tex]
here m = 3/4
(x1,y1) = 3,-2
Substitute all the values in Formula
[tex]y + 2 = \frac{3}{4} (x - 3) \\ y + 2 = \frac{3}{4} x - \frac{9}{4} \\ y = \frac{3}{4} x - \frac{9}{4} - 2 \\ = \frac{3}{4} x - \frac{17}{4} \\ 4y = 3x - 17 \\ - 3x + 4y = - 17[/tex]
multiply by 4 on both sides
[tex]4y = 3x - 17 \\ - 3x + 4y = - 17[/tex]
(First correct answers get brainliest or a lot of points)
0.5 divided by -0.667 times 0.75 minus 0.8
Good luck!
Answer:
I believe that it is −1.3622188906
7:
A: write and solve an equation that can be used to find the value of x:
B: write and solve and equation that can be used to find the value of y
Answer:
The Answer is A
Step-by-step explanation:
Hope it helps!
Answer:
The anwser is A. In a way, It's just youre job to try and find out what A stands for, so, that means it is up to you to find the answer, and not us.
Step-by-step explanation:
HELP PLZ HELP FAST THIS IS DUE
Answer:
False
Step-by-step explanation:
The angles are different degrees
Answer: false
Step-by-step explanation: dont really have an explenantion
A Child’s Growth and Prosperity
When a new baby enters this world, pediatricians will monitor the baby’s growth in many areas. Weight, head circumference, length, and body mass index are just a few of the measurements collected as newborns progress through childhood. Parents of newborns are not only concerned with their child’s measurements, but they typically consider their child’s medical and financial needs, too.
As you complete the task, keep these questions in mind: How can you use linear functions to describe and analyze measurements associated with babies’ growth? How can you use functions to calculate college savings and to determine how much medicine to administer?
Directions:
Complete each of the following tasks, reading the directions carefully as you go.
You will be graded on the work you show, or your solution process, in addition to your answers. Make sure to show all of your work and to answer each question as you complete the task. Type all of your work into this document so you can submit it to your teacher for a grade. You will be given partial credit based on the work you show and the completeness and accuracy of your explanations.
Answer:
a) 0.75 inch/month
b) y-20 = 0.75(x-4)
c) 17 inches
d) 44
a) 0.8 inch/month
b) yes
c) y = 0.8x + 18.8
d) 18.8 inches
Step-by-step explanation:
a) (21.5-20)/(6-4) = 1.5/2
= 0.75 inch/month
If this is correct, 2 months after the 6th month (month 8), it should be
21.5 + 2(0.75) = 23
Which it is
b) y-y1 = m(x-x1)
Where y is the length, x is the months, m is the slope and (x1,y1) is a known point
At x = 4, y = 20
y-20 = 0.75(x-4)
Or
y = 0.75x + c
20 = 0.75(4) + c
c = 20 - 3 = 17
y = 0.75x + 17
c) at birth, 4 months before month 4
So, 20 - 0.75(4) = 17
Which is also the y-intercept
d) y = 0.75(36) + 17
y = 27 + 4 = 44 inches
Generally, at the age of 3 years (36 month) the length is between 35 and 40 inches
a) slope = (30-22)/(14-4)
= 0.8 inch/month
b) 0.8 > 0.75, so yes
c) When x = 4, y = 22
y-22 = 0.8(x - 4)
y - 22 = 0.8x - 3.2
y = 0.8x + 18.8
y-intercept is 18.8
d) at birth, x = 0.
Length was 18.8 inches
Step-by-step explanation:
Solve 48-5i=-4x+10yi
Answer:
Step-by-step explanation:
Suppose we decide to solve for y first. y will then be in terms of x AND a real and an imaginary term:
48-5i=-4x+10yi
The goal here is to solve for y. Adding 4x to both sides yields
48 - 5i + 4x = 10yi
and then we divide both sides by 10i to isolate the variable y:
48 - 5i + 4x
----------------- = y This result is "y in terms of the constant 48, the
10i imaginary terms 5i and 10i, and the expression 4x.
We solve the original equation for x in a similar manner:
48-5i=-4x+10yi becomes 48 - 5i - 10yi = -4x, so that:
-(48 - 5i - 10yi)
x = ------------------------
4
Next time, please specify which variable (x or y) you're solving for. Thank you.
Freeman High School's drill team will be attending the national competition and needs to raise $1,600. To raise money for the trip, the girls are selling tickets to a luncheon. Tickets are $8 for students and $10 for adults. The equation 8x+10y=1600, where x represents the number of student tickets sold and y represents the number of adult tickets sold, can be used to represent this situation. The graph of this equation is shown below.
The equation that can be used to represent this situation is 8x + 10y = 1600
Let x represent the number of student tickets sold and y represents the number of adult tickets sold.
Since students ticket cost $8 and adult tickets cost $10, and the total ticket sold was $1600, hence this can be represented by the equation:
8x + 10y = 1600
Therefore the graph of the above equation is attached
Find out more at: https://brainly.com/question/24947711
1.8331 to nearest hundred
Answer:
1.83 because hundredth would be in the second place after the period
Step-by-step explanation:
Find the length of AB to the nearest hundredth
Answer:
The required length of AB is 7.28 units.
Step-by-step explanation:
3. Show that x = –1 and y = 3 satisfy the linear equation 2x + 3y = 7.
4. Write three solutions for the equation 2x + 3y = 8.
Step-by-step explanation:
2x+3y=7
solution
2-1+3+3
1+6
7 ans
If u guys help
Me this should be easy depending on who’s doing it ok what are the answers to this u guys have to figure it out This is 3rd grade homework I trying to help my friend and he doesn’t know what the rest are can u help please asap
Name
wrap
sign
wrote
gnaws
wring
knee
wreath
knit
knife
knight
knock
write
gnome
wrists
wreck
A. Write the spelling words that match the clues below.
1. street marker
S
4. a sharp tool
ínite
MA
2. tap on a door
5. cover a gift with paper
3. a ring of plants used for
decoration
B. Write the spelling word that best completes each sentence.
6. The doctor checked both her
after she fell.
P
7. He
a letter to the mayor about the park.
8. I am learning to
a wool scarf.
9. A beaver
trees into logs.
10. My friend likes to
silly poems about animals.
11. My little sisters
my room when they come in.
12. My story is about a brave
- who fights dragons.
13. I scraped my left
when I fell off my bike.
14. A
is small and usually wears a pointed hat.
15. We will
out the wet towels.
Answer: look at explanation
Step-by-step explanation:
number 3. wreath
number 8. knit
number 9. gnaws
number 10. write
number 11. wreck
number 12: knight
number 14: gnome
number 15: wring
Which type of tax is income tax?
Answer:
B.) Progressive
Step-by-step explanation:
Its schedule of marginal tax rates imposes a higher income tax rate on people with higher incomes, and a lower income tax rate on people with lower incomes. The percentage rate increases at intervals as taxable income increases.
Write 125 as a power of 5.
Answer: The answer would be 5^3
Step-by-step explanation:
5 x 5 x 5= 125
984 X 225
Jsnsjjsjsjwjsjsjsjsjsjjajsjsjandnncndis
Answer:
984 × 225 = 221400
Step-by-step explanation:
2.57 mi/hr= how many m/min? Simplify your answer, round to the nearest tenth. Thanks.
Answer is 68.9 m/min.
Step-by-step explanation :-Let's convert the units. To do this, we need to cancel the original units to get the units we want. We achieve this the following way :-
[tex]2.57 \frac{mi}{hr} \times \frac{1069.34 \: m}{1 \: mi} \times \frac{1 \: hr}{60 \: min} [/tex]
[tex] =>68.9 \: \frac{m}{min} [/tex]
Therefore, 2.57 mi/hr is the same as 68.9 m/min .
✍️ By Benjemin ☺️
Lynette wanted to run one mile in eight minutes. To be on pace to reach
her goal, how far will she need to run in 2 minutes? ?
3
Answer:
0.25 miles
Step-by-step explanation:
assuming that she keeps a constant Velocity/ speed,
find the speed she intends to run with, ie total distance/time
[tex]\frac{1}{8} miles \: per \: minute[/tex]
find the distance she travels in two minutes, ie speed multiplied by time.
[tex] \frac{1}{8} \times 2 = \frac{1}{4 } = 0.25[/tex]
Slope
Find the slope for each line
Answer:
3. -3/2
4. 3/2
5. 5/3
6. 7/3
7. -6/2 or -3
8. 7/3
Step-by-step explanation:
Rise over run. (∆Y/∆X)
Answer:
3. -3/2
4. 3/2
5. 5/3
6. 7/3
7. -6/2 or -3
8. 7/3
Step-by-step explanation:
count up then over sideway y/x
3x + (2 + x) + 5 x 2 as a product of two factors
Answer:
4x+12
I think that's it............
Help pleaseeeees x+1/6=3x/10
Answer:
X=1/174
Step-by-step explanation:
Answer:
x = -5/21
Step-by-step explanation:
The common denominator between all the terms in this equation is 30. Multiply everything by 30.
[x+1/6=3x/10] * 30
30x + 5 = 9x subtract 9x on both sides
21x+5 = 0 subtract 5 on both sides
21x = -5 divide 21 on both sides
x = -5/21