A campaign committee expects the next election for mayor to be close. The members want to take a poll to see how their candidate is likely to fare. What is the minimum sample size needed to estimate their candidate's percentage of the vote to within 5%?

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The Answer of A campaign committee expects the next election for mayor to be close. The members want to take a poll to see how their candidate is likely to fare. What is the minimum sample size needed to estimate their candidate's percentage of the vote to within 5%?

A Campaign Committee Expects the Next Election for Mayor to Be