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A USA Today /CNN/Gallup survey of 369 working parents found 200 who said they spend too little time with their children because of work commitments. a. What is the point estimate of the proportion of the population of working parents who feel they spend too little time with their children because of work commitments? b. At 95% confidence, what is the margin of error? c. What is the 95% confidence interval estimate of the population proportion of working parents who feel they spend too little time with their children because of work commitments?

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STATISTICS F/BUSINESS+ECONOMICS-TE...

13th Edition
Anderson
Publisher: CENGAGE L
ISBN: 9781305881884

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BuyFindarrow_forward

STATISTICS F/BUSINESS+ECONOMICS-TE...

13th Edition
Anderson
Publisher: CENGAGE L
ISBN: 9781305881884
Chapter 8, Problem 54SE
Textbook Problem
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A USA Today/CNN/Gallup survey of 369 working parents found 200 who said they spend too little time with their children because of work commitments.

a. What is the point estimate of the proportion of the population of working parents who feel they spend too little time with their children because of work commitments?

b. At 95% confidence, what is the margin of error?

c. What is the 95% confidence interval estimate of the population proportion of working parents who feel they spend too little time with their children because of work commitments?

a.

To determine

Find the point estimate of the proportion of the population of working parents felt they are spend little time with children.

Explanation of Solution

Calculation:

The given information is that the 200 working parents agreed that they spend small time with their children because of work communications out of the 369 working parents.

The sampling distribution of p¯ is the population proportion p.

The value of p¯ is,

b.

To determine

Find the margin of error at 95% confidence.

c.

To determine

Find the 95% confidence interval for the population proportion of working parents felt they are spend little time with children.

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Chapter 8 Solutions

STATISTICS F/BUSINESS+ECONOMICS-TEXT
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