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In a survey of 1002 people, 701 said that they voted in a recent presidential election....

In a 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. Find a 99% confidence interval estimate of the proportion of people who say that they voted.
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Answer #1

Given:

The total number of voters in a survey are 1002, 701 of them voted in a recent presidential election.

voting records shows that 61% of eligible voters actually voted.

The given information shows that number of trials or the number of people n = 1002, and

the number of people who voted x = 701

X = 701, n = 1002


Critical value:

99% Confidence interval:

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