Mathematics College

Use the information and table to answer the following questions.
A sociologist was interested in determining if there was a relationship between the age of a young adult (18 to 35 years old) and the type of movie preferred. A random sample of 93 adults revealed the following data. Use a Chi-Square independence test to determine if age and type of movie preferred are independent at the 5% level of significance.
18-23 years old 24-29 years old 30-35 years old Totals
Drama 8 15 11 34
Science Fiction 12 10 8 30
Comedy 9 8 12 29
Totals 29 33 31 93
1. State the Null Hypothesis
A) Age and type of movie preferred are not independent.
B) Age and type of movie preferred are independent
C) Age and type of movie preferred are not the same
D) Age and type of movie preferred are related.
E) Cannot be determined.
2. State the alternative hypothesis.
A). Age and type of movie preferred are dependent.
B) Age and type of movie preferred are independent.
C) Age and type of movie preferred are not related
D) Age and type of movie preferred are superior.
E) Cannot be determined.

Answers

Answer 1

Answer:

1. B) Age and type of movie preferred are independent

2.A). Age and type of movie preferred are dependent.

Step-by-step explanation:

1. State the Null Hypothesis

B) Age and type of movie preferred are independent

2. State the alternative hypothesis.

A). Age and type of movie preferred are dependent.

This is chi square independence test therefore we will test the independence of the two factors  age and the type of movie preferred.

The null hypothesis is formulated as

Age and type of movie preferred are independent

against the claim

Age and type of movie preferred are dependent.

Related Questions

A store pay $120 for a bicycle. The store has a 60% markup policy. What is the selling price of the bicycle? (answer $192)

Use your answer from the above question to help answer this question!! The store is now going out of business and is selling all of the bicycles at a 30% discount. What is the sale price of the bicycle?

Answers

$134.4

Work: 192 x .7

Find the equation of the line which passes through (-2,-2) and (2, -4).
O A. y = -1/2 x
O B. y=-x-3
OC. y=-3x-5
OD. y = -2x – 6
O E. y = {x-3

Answers

It should be B

Calculate the slopes using the change of y over the change in x

-2/2=-1

That’s the only option with a slope of -1
It is B y =-X- 3 hope that helps

Find the perimeter of triangle round nearest tength

Answers

This is the answer. I hope it helps!

again hellllllp meeee​

Answers

Answer:

quadrant 2

Step-by-step explanation:

Answer:

Quadrant IV

Step-by-step explanation:

Which expression below has the same value as
6
9?​

Answers

Which expression below has the same value as

6

9?​

Answer:

answer is c no because 9 power six so, we have to write 9 number 6 times

PLZ GIVE BE BRAINLIEST ANS+THANKS :(

Answer:

C,

Step-by-step explanation:

Hey there the answer is C  9x9x9x9x9x9 i did it 6 times because the exponent was 6

How much money would Julie earn for working 16 hours? 15 hours is 180$ PLEASE HELP

Answers

192
Basically 180 divided by 15 would be 12 so one hour of working would make her 12 dollars so 12 times 16 would be 192 hope this helps!

Phil needs to run at least 30
miles this week for his
training, If he has already run
18 miles this week, then how
mary miles should he run on
each of the 3 remaining days
this week?

I NEED THE INEQUALITIES SOLUTION AND THE GRAPH OF EACH QUESTION

Please please please give me all to each question not just the answer please

IF YOU GIVE ME A LINK I WILL REPORT YOU!


Answers

Answer:

The answers to these equations are 4 for the left math problem, 4 for the middle math problem, and 10 for the right math problem.

Step-by-step explanation:

Answer above.

Nathan bought 12 books for a total of $60. At this rate, what is the cost of 4 books?

I NEED THIS SOON PLEASE I'M BEGGING!!!!!

Answers

Answer:

$20

Step-by-step explanation:

divide 60÷12 =5 gives the cost of one book

multiply 5×4=20

.........................................

Answers

Answer:

Whats wrong??

Step-by-step explanation:

Answer:

you ok ?

Step-by-step explanation:

I dont know what the ......... means

FIRST TO ANSWER GETS BRALYIST
good luck :-)

Answers

Answer:

My answer is 20ft I'm not really sure but hope this helps

Well this is very hard and I need help passing do anybody know the answer to this question

Answers

Answer:

-1.9

Step-by-step explanation:

look at pic 10 pts will mark brainilest

Answers

Answer:

can we go with D. 54 ?

the height and length is 9 and 6

9x6= 54

Answer:

B . 27 square units

Step-by-step explanation:

Area of triangle is 1/2 ×b×h

base is MN = 6 units

hight is 9 unis

so 1/2 ×6×9 = 3×9 =27 square Units

A LOT OF POINTS!!
Suppose you borrow $40,000 at 13% APR for a 12-year term to be paid monthly. Your monthly payment is $450.00.

How much of your first payment goes toward interest?

Make sure you show your work to earn full credit.

Answers

Answer:

You get $45,200 first with interest with the 5400 you made in 1 year that dedeucts

Step-by-step explanation:

helpppppppppppppppppp

Answers

Use substitution
Since you know they are both y, you can make the values of each equal to each other.

2x - 9 = -x + 3
3x = 12, x = 4
Plug x = 4, into any equation
Y = 2(4) - 9
Y = 8 - 9 = -1, y = -1

Solution: (4,-1)

HELP ME PLEASE I AM CRYING

Answers

Answer:

I thinks is the 4th or the last

The posted speed limit is 45 miles per hour.
Choose all the metric measures that are faster than 45 miles
per hour.

A. 45 km per hour

B. 64.1 km per hour

C. 86.4 km per hour

D. 91 km per hour

E. 112.3 km per hour

Answers

A 45 km & B 64.1 km is the answer

Dobie works as a window washer, and finds lots of time to think while working. He notices when windows are cracked, and fells that the number of cracked windows has been increasing. He wants to determine if this increase is statistically significant by applying a control chart. He collected data for the past 10 days measuring the number of cracked windows he observed per shift.
What is the UCL?
a. 5.90
b. 59.00
c. 13.19
d. 2.42
The LCL?
a. 0
b. 20.14
c. 5.90
d. 2014
Is the number of observed cracked windows within control limits?
a. No
b. Yes
Day Day Day Day Day Day Day Day Day Day
# of cracks 1 2 3 4 5 6 7 8 9 10
3 4 2 4 6 5 8 8 7 12
Dobie noted that the windows he washes may have multiple panes per window. So, rather than counting cracked windows, Dobie instead converts the prior data into cracked window panes. Based on the data below:
Day Day Day Day Day Day Day Day Day Day
# of cracks 1 2 3 4 5 6 7 8 9 10
6 11 4 12 13 12 11 13 7 19
What is the UCL?
a. 13.19
b. 23.66
c. 20.66
d. 10.80
The LCL?
a. 0
b. 10.8
c. 0.94
d. 3.29
Is the number of observed cracked window panes within control limits?
a. Yes
b. No
Is Dobie’s theory that the number of cracked window panes is increasing valid?
a. No
b. Yes

Answers

Ans is c because the b and a has to be sub and u get the ans as c

What is the absolute mean deviation of this data?
1, 2, 3, 3, 4,5, 6, 8

Answers

Answer:

4/1/7 ( 4 and 1 over 7)

Step-by-step explanation:

First add all the numbers

1+2+3+4+5+6+8= 29

Finally you divide the total by counting the numbers which you have add up

29÷7

= 4/1/7 ( 4 and 1 over 7)

Mark me as the brainiest answer

Answer:

Step-by-step explanation:

1. Mean

1 + 2 + 3 + 3 + 4 + 5 + 6 + 8= 32

32/ how many numbers there are

32/ 8 . = 4

Mean = 4

1 2 3 3 4 5 6 8

3 2 1 1  0 1 2 4

3 + 2 + 1 + 1+0 + 1 + 2+ 4 =14

14/how many numbers there are

14/8 = 7/4 or in mixed form 1 3/4

SOLVE

FIND THE AMOUNT OF DISCOUNT WHEN THE ORIGINAL PRICE IS $44.00 AND THE DISCOUNT RATE IS 40%



WILL GUVE BRIANLIST



XXX


X
X
X
X
X
X
X
X
X
X

Answers

Answer:

$26.40

Step-by-step explanation:

40% of 44 is 17.6.

44-17.6 = 26.40

What is the volume of the rectangular prism?

Answers

Answer:

[tex]10^{3}[/tex]

Step-by-step explanation

3 x 5 x 2 = 30 x 1/3 = [tex]10^{3}[/tex]

1.1.4 practice scale drawing

Answers

Answer:

Question Unclear

Step-by-step explanation:

Is this relating to your topic?

1.1.4 Practice: Scale Drawings

Practice

Math 7 Sem 2

Points Possible:5

Name:

Date:

Tips for Success

Read the assignment carefully and make sure you answer each part of the question or questions.

Check your work when you're done.

Your Assignment

Jason and Adam are using a kit to build their own electronics board for a computer project. They use a scale drawing included in the instructions to help build the board.

Jason will use the scale factor to find the board's actual length and width, then multiply those dimensions to find the board's area.

Adam says he knows another way.

Answer the questions to show how Adam could find the area of the scale drawing, and then use this strategy to find the area of the electronics board.

1. What is the area of the board shown on the scale drawing? Explain how you found the area.

Write your answer in the space below.

2. How can Adam use the scale factor to find the area of the actual electronics board? Remember, he uses a different method than Jason.

Write your answer in the space below.

3. What is the area of the actual electronics board?

Write your answer in the space below.

Every unitary operator U : X → X is normal. b) A matrix is unitary if and only if it is invertible. c) If two matrices are unitarily equivalent, then they are also similar. d) The sum of self-adjoint operators is self-adjoint. e) The adjoint of a unitary operator is unitary. f) The adjoint of a normal operator is normal. g) If all eigenvalues of a linear operator are 1, then the operator must be unitary or orthogonal. h) If all eigenvalues of a normal operator are 1, then the operator is identity. i) A linear operator may preserve norm but not the inner product.

Answers

yes

for the following reasons:

Find the sum: (x3 + 3x2 + x + 1) + (2x3 - 2x2 - 2x + 2).

Answers

Answer: 3 3+ 2−+3

Step-by-step explanation:

Choose the theorem that proves these triangles are congruent.

Answers

Answer:

ASA

Step-by-step explanation:

If STV is congruent to UVT as UTV is congruent to SVT, then TV is a transversal which is congruent to itself. Therefore, reading left to right, the theorem that proves the triangles congruent is ASA because we have two pairs of congruent angles and one side.

can u solve it please.​

Answers

Answer:

No I'm doing this for a quest

Step-by-step explanation:

Hope you find the answer though

How can you check to see if two fractions are equivalent please explain

Answers

Answer:

cross multiply and they should equal the same

Step-by-step explanation:

This equation calculates the value, P, of an account with an initial deposit of P0 and an interest rate of r compounded n times per year after t years.
P = P0 (1+r/n)nt
Vanessa deposits $700 in a savings account with an interest rate of 2% compounded monthly. Assuming she neither adds to nor withdraws from the account, what will be the approximate value of the account in 7 years?
А. $889.57
B. $887.77
C. $714.13
D $805.10​

Answers

Answer:D

Step-by-step explanation:

Plug in 700 for P0, .02 for r, 12 for n and n, and 7 for 5.

Approx value of the account in 7 years will be 805.10$.

What is compound interest?

Simple interest and compound interest are the two methods for calculating interest. Simple interest is computed on a loan's principal, or initial loan amount. Compound interest is sometimes referred to as "interest on interest" since it is computed using both the principal and the accrued interest from prior periods.

Given that equation calculates the value, P, of an account with an initial deposit of P0 and an interest rate of r compounded n times per year after t years.

P = P0 (1+r/n)nt

Vanessa deposits $700 in a savings account with an interest rate of 2% compounded monthly. Assuming she neither adds to nor withdraws from the account.

Hence, initial deposit:$700.00

Interest rate:2% yearly

Time:7 years

Compounding: Monthly so n = 12

put these values in the given equation. we will get P = 805.10

Therefore the value of the account in 7 years will be 805.10$.

Learn more about Compound interest here:

https://brainly.com/question/29335425

#SPJ2

PLS HELP WITH NUMBER 6

Answers

Answer: The answer to this question is A

Ssomeone help me in this one now please​

Answers

270 men is the answer

Find the area of the figure

Answers

Answer:

pls use the formula given to you

Answer:

the area of the figure is 10,700

Step-by-step explanation:

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