Determine the sample size

Reference no: EM1394233

Suppose we want to conduct a poll to estimate the proportion of voters who approve of the current mayor, and we plan to use a 95% confidence interval for our estimate.

Determine the sample size needed so that the sample proportion is within a margin of error of .025 of the true proportion of all voters who approve of the mayor.

You will have to assume in your computation that 50% of the electorate could approve of the mayor.

Use MegaStat to help you obtain your result. Round your answer to the nearest whole number.

Reference no: EM1394233

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