Obtain a margin of error in a confidence interval

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Question: Do you go to church? The Gallup Poll plans to ask a random sample of adults whether they attended a religious service in the last 7 days. How large a sample would be required to obtain a margin of error of at most 0.01 in a 99% confidence interval for the population proportion who would say that they attended a religious service? Show your work.

Reference no: EM131766884

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