In a recent presidential election, 611 voters were surveyed and 308 of them said that they voted for the candidate who won (based on CWS Survey) a. Find the point estimate of the percentage of voters who said that they voted for the candidate who won. b. Find a 98% confidence interval estimate of the percentage of voters who said that they voted for the candidate who won. C. Of those who voted, 43% actually voted for the candidate who won. Is this result consistent with the survey results? How might a discrepancy be explained?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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In a recent presidential election, 611 voters were
surveyed and 308 of them said that they voted for the
candidate who won (based on CWS Survey)
a.
Find the point estimate of the percentage of
voters who said that they voted for the
candidate who won.
Find a 98% confidence interval estimate of the
percentage of voters who said that they voted
for the candidate who won.
b.
C.
Of those who voted, 43% actually voted for
the candidate who won. Is this result
consistent with the survey results? How might
a discrepancy be explained?
Transcribed Image Text:In a recent presidential election, 611 voters were surveyed and 308 of them said that they voted for the candidate who won (based on CWS Survey) a. Find the point estimate of the percentage of voters who said that they voted for the candidate who won. Find a 98% confidence interval estimate of the percentage of voters who said that they voted for the candidate who won. b. C. Of those who voted, 43% actually voted for the candidate who won. Is this result consistent with the survey results? How might a discrepancy be explained?
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