Question: For a 95% confidence interval, how large of a sample do we need if we want a margin of error of 4% in estimating the

For a 95% confidence interval, how large of a sample do we need if we want a margin of error of 4% in estimating the proportion of firms with more than 50% female in top 25?

mean is .5093

standard deviation is .1370

standard error is .0125

t value is 1.9801

margin of error is .0248

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