Question: When designing a study to determine a population proportion, what minimum number would you need to survey, e.g., N, to be 90% confident that the

When designing a study to determine a population proportion, what minimum number would you need to survey, e.g., N, to be 90% confident that the population proportion is estimated to be within 0.03?

Hint: You do not know p, so you must make an assumption about p and q. Here you are being asked to solve for the sample size N.

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