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An epidemiologist plans to conduct a survey to estimate the percentage of women who give birth. How many women must be surveyed in order to

An epidemiologist plans to conduct a survey to estimate the percentage of women who give birth. How many women must be surveyed in order to be 90% confident that the estimated percentage is in error by no more than four percentage points?

Complete parts (a) a. Assume that nothing is known about the percentage to be estimated.

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