A survey of UF students asked for their employment status and their year in school. The results appear below. yr in school job no job
Freshman 16 22
Sophomore 24 15
Junior 17 20
Senior 25 19
Super Senior 8 5

What is the distribution of the test statistic under the null hypothesis

Answers

Answer 1
Answer:

Answer:

There is no relationship between your year in school and having a job.

Step-by-step explanation:

In this instance, the chi sq test need to be performed.

Chi sq is used to determine if there is a significant relationship between two categorical variables.

The two variables here are year in school and employment status.

The two variables are independent(no relationship exists)

This implies that there is null hypothesis

Therefore, the Null Hypothesis is

There is no relationship between your year in school and having a job.


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True or false Every number divisible by 9 is also by 3?
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In Exercise, expand the logarithmic expression.
ln(x + 1)2

Answers

Answer:

In(x^2+2x+1)

Step-by-step explanation:

In(x+1)^2 = In(x+1)(x+1) = In(x^2+x+x+1) = In(x^2+2x+1)

GEOMETRY QUESTION, URGENT!The volume V of a right circular cylinder is given by the formula V=πr²h, where r is the radius and h is the height.
A. Solve formula for h
B. Find the height of a right circular cylinder whose volume is 72π cubic inches and whose radius is 6 inches.

Answers

A.) v/ \pi r=h
B.) h=2

A truck weighs 16,000 pounds. What is the weight range in tons?

Answers

Answer:

8

Step-by-step explanation:

uh idrk all ik is that 16,000 punds = 8 tons

8
16,000 pounds equals 8 tons

A fair number cube with the numbers 1, 2, 3, 4, 5, and 6 is rolled. What is theprobability of getting a multiple of 3?
Your answer

Answers

Answer:

2/6

Step-by-step explanation:

There are only 2 multiples of 3, and there are only 6 possible outcomes.

A researcher wants to know how professional athletes in her city feel about safety measures. She obtains a list of 952 professional athletes in her city, selects 400 of them at random, and emails a questionnaire to them. 86 questionnaires are returned. Of these, 76% stated that they believe that the enforcement of safety measures needs to be completely overhauled. Classify the following groups as the population or the sample for this particular study. a. The proportion of all professional athickes in the rescarcher's home city who believe thal the cnlorcement of salfcty mcasures nocds to be compleicly overhauled.
b. The 76% who stated that thc enforcement of salty mcasures needs to be completh overhauled.
c. The 952 prolessional athkics whosc names were oblainoed,
d. All professional athlctes.

Answers

Answer:

Step-by-step explanation:

For this case the population represent all the professional athletes in the researcher city and we can assume that the sample size for tis population is N =982 and represent all the individuals of interest for the study and the parameter of interest is the proportion of athletes who believe that the enforcement of safety measures needs to be completely overhauled .

In order to estimate te parameters of the population the researcher select a sample of 400 professional athletes and just 86 of them returns the questionnaire sent. So then the real sample is the n =86 people who return the info, because the other people are part of the non response rate, and from this sample she found that the proportion of athletes who believe that the enforcement of safety measures needs to be completely overhauled is .

p=0.76

In Triangle EFG, the measure of G=90°, the measure of F=47°,and GE = 50 feet. Find the length of EF to the nearest tenth
of a foot.

Answers

Answer:

73.3

Step-by-step explanation:

Using the SOH CAH TOA identity

EF = hypotenuse= x

FG = opposite

GE = adjacent  = 50feet

Cos 47 = adj/hyp

Cos 47 = 50/x

x = 50/cos47

x = 50/0.6819

x = 73.32

hence the length of EF is 73.3 feet to the nearest tenth