Question: 5) How large a sample would we need to estimate a proportion to within a margin of error of 4% at the 99% level of

5) How large a sample would we need to estimate a proportion to within a margin of error of 4% at the 99% level of confidence if we use a prior estimate of p =0.7? Question 6) How large a sample would we need to estimate a proportion to within a margin of error of 4% at the 99% level of confidence if we use NO prior estimate

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