In a recent survey of 1002 people, 701 said that they voted in a recent presidential election. Voting records show that 61% of eligible voters actually did vote. a) Find the 95% 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? c) How would the confidence interval change if we increased the confidence level to 99%? Find the 99% confidence interval estimate to support your answer.

n=1002, X=701, pcap=0.61 pcap=x/n

Answered: In a recent survey of 1002 people, 701…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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In a recent survey of 1002 people, 701 said that they voted in a recent presidential election. Voting records show that 61% of eligible voters actually did vote. a) Find the 95% 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?

c) How would the confidence interval change if we increased the confidence level to 99%? Find the 99% confidence interval estimate to support your answer.

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