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Ronald Flynn is a candidate for mayor in a large city. You are planning a sample survey to determine the number of voters that intend

Ronald Flynn is a candidate for mayor in a large city. You are planning a sample survey to determine the number of voters that intend to vote for Flynn.

You will contact an SRS of voters in the city. You want to estimate the proportion of voters with 90% confidence and a margin of error

no greater than 2%, or 0.02. How large a sample do you need?

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