Question: A simple random or systematic sample is to be used to survey a population of 5,000 people to assess what proportion of the population has

A simple random or systematic sample is to be used to survey a population of 5,000 people to assess what proportion of the population has a particular disease. The anticipated percentage with exposure or disease is 15%; the confidence for an anticipated exposure percentage is 3%, and the confidence level is 95%

How large should the sample be?

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