Question

QUESTION PART A: 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 90% confident that you esimate is within 0.5% 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.

QUESTION PART B: You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximately p∗=59%p∗=59%. 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?

n =

Answer 1