An auditor is assigned to investigate the probability of a bank's accounts having errors. If she has reason to believe that the probability is anywhere between 0.15 and 0.40 , how large a sample will she need to be $99 \%$ confident that the estimated percentage of accounts containing errors is within 0.02 of the true percentage?

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The Answer of An auditor is assigned to investigate the probability of a bank's accounts having errors. If she has reason to believe that the probability is anywhere between 0.15 and 0.40 , how large a sample will she need to be $99 \%$ confident that the estimated percentage of accounts containing errors is within 0.02 of the true percentage?

An Auditor Is Assigned to Investigate the Probability of a Bank's