You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximately p* that your esimate is within 4% of the true...

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* that your esimate is within 4% of the true population proportion. How large of a sample size is required? 80 % . You would like to be 95% confident n = Do not round mid-calculation. However, use a critical value accurate to three decimal places.


Extracted text: You want to obtain a sample to estimate a population proportion. At this point in time, you have no reasonable estimate for the population proportion. You would like to be 99% confident that you esimate is within 4% of the true population proportion. How large of a sample size is required? n = Do not round mid-calculation. However, use a critical value accurate to three decimal places.