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Misleading Survey Responses In a survey of 1002 people,

Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola ISBN: 9780321836960 18

Solution for problem 26BSC Chapter 7.2

Elementary Statistics | 12th Edition

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Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola

Elementary Statistics | 12th Edition

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Problem 26BSC

Misleading Survey Responses In a survey of 1002 people, 70% said that they voted in a recent presidential election (based on data from ICR Research Group). Voting records show that 61% of eligible voters actually did vote.

a. Find a 98% confidence interval estimate of the proportion of people who say that they voted.

b. Are the survey results consistent with the actual voter turnout of 61%? Why or why not?

Step-by-Step Solution:

Answer:

Step 1 of 1</p>

Given, In a survey of 1002 people, 70% said that they voted in a recent presidential election. Voting records show that 61% of eligible voters actually did vote.

a. Here, n = 1002

             = 70%

             = 0.7

             = 1 - 0.7

                 = 0.3

Now, the 98% confidence interval estimate of the proportion of people who say that they voted is given by

           

Where E is the margin of error.

Step 2 of 2

Chapter 7.2, Problem 26BSC is Solved
Textbook: Elementary Statistics
Edition: 12
Author: Mario F. Triola
ISBN: 9780321836960

This textbook survival guide was created for the textbook: Elementary Statistics, edition: 12. Since the solution to 26BSC from 7.2 chapter was answered, more than 342 students have viewed the full step-by-step answer. The answer to “Misleading Survey Responses In a survey of 1002 people, 70% said that they voted in a recent presidential election (based on data from ICR Research Group). Voting records show that 61% of eligible voters actually did vote.a. Find a 98% confidence interval estimate of the proportion of people who say that they voted.________________b. Are the survey results consistent with the actual voter turnout of 61%? Why or why not?” is broken down into a number of easy to follow steps, and 69 words. This full solution covers the following key subjects: Survey, voted, people, presidential, confidence. This expansive textbook survival guide covers 121 chapters, and 3629 solutions. Elementary Statistics was written by and is associated to the ISBN: 9780321836960. The full step-by-step solution to problem: 26BSC from chapter: 7.2 was answered by , our top Statistics solution expert on 03/15/17, 10:30PM.

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