Question: QUESTION 3 A sociologist found that in a random sample of 50 retired men, the average number of jobs they had during their lifetimes was

QUESTION 3 A sociologist found that in a random sample of 50 retired men, the average number of jobs they had during their lifetimes was 7.2. The population standard deviation is 2.1 .Find the 95% confidence interval of the mean number of jobs. Do not round the z value, it should have two decimal places, example 2.34. Round the interval to one decimal place, example 3.2

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

[blank 1] QUESTION 2 A sociologist found that in a random sample of 50 retired men, the average number of jobs they had during their lifetimes was 7.2. The population standard deviation is 2.1. a....

Provide a solution please.Thank you. Hi it was the only information given to us A sociologist found that in a random sample of 50 retired men, the average number of jobs they had during their...

5)A sociologist found that in a random sample of 50 retired men, the average number of jobs they had during their lifetimes was 7.2. The population standard deviation is 2.1. a) Find the best point...

1. Hypothesis Testfor the Mean WhenIs Known There was a public speaker who gave a talk about retired men and their past jobs. He claimed retired men will have on anaverage of 6different jobs in their...

ANSWER QUESTION 2 PLEASE Part 4 of 4 (d) Which is smaller? Explain why. The % confidence interval is smaller since there is (Choose one) of a chance that the mean is contained in the interval as...

A sociologist found that in a sample of 50 retired men, the average number of jobs they had during their lifetimes was 7.2. The population standard deviation is 2.1. a. Find the best point estimate...

Number of Jobs A sociologist found that in a sample of 50 retired men, the average number of jobs they had during their lifetimes was 7.3. The population standard deviation is 2.3. Part 1 of 4 (a)...

1 of 4 Number of Jobs A sociologist found that in a sample of 50 retired men, the average number of jobs they had during their lifetimes was 7.3. The population standard deviation is 2.3. Part 1 of 4...

Number of Jobs A sociologist found that in a sample of 50 retired men, the average number of jobs they had during their lifetimes was 6.8. The population standard deviation is 2.2. Part 1 of 4 (a)...

Please answer the following questions. 1. A random sample of the number of farms (in thousands) in various states follows. Estimate the mean number of farms per state with 93% confidence. Assume =31....

Select a new Internet access technology (such as phone, kiosks or TV) that has been introduced in the last two years and assess whether it will become a significant method of access.

What types of assistance and tax preparation services does the IRS provide?

When a company is financed by debt, as opposed to equity, we say that it is _ _ _ _ _ _ . Question content area bottom Part 1 A . leveraged B . discounted C . more stable D . selling at a premium E ....

Can computers think? Will they ever be able to think? Why or why not?

4. Give examples of how a communication situation can change from a win-lose to a winwin situation.

3. Why is the following statement, If the Church is a context, it is because it is inside our heads, correct?

1. Discuss the following statements: a) Jeppe drinks because Holberg (the author) forced him to. b) When the soup you are served tastes bad, complain to the cookbook publisher. c) The purpose of an...