You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximately p = 28 % . You would like to be 95% confident that...


You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe<br>the population proportion is approximately p = 28 % . You would like to be 95% confident that your<br>esimate is within 2% of the true population proportion. How large of a sample size is required?<br>

Extracted text: You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximately p = 28 % . You would like to be 95% confident that your esimate is within 2% of the true population proportion. How large of a sample size is required?

Jun 08, 2022
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