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You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximatelyp=30%. You would like

You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximatelyp=30%. You would like to be 99.5% confident that your esimate is within 0.5% of the true population proportion. How large of a sample size is required?

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