# You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximately 36%. You would like to be 99% confident that your estimate is within 4.5% of the true population proportion. How large of a sample size is required?

Question

You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximately 36%. You would like to be 99% confident that your estimate is within 4.5% of the true population proportion. How large of a sample size is required?