number 2

1). In order to estimate the proportion of taxpayers who underpay Federal Income Tax, a sample of 1000 tax filings is inspected, and it is found that in 641 cases there were underpayments. Compute 99% confidence intervals for the proportion, p, of taxpayers who underpay (give each interval in both forms, estimate error margin, and (Lower, Upper)). 2). Use the data in problem 1 to test He: p= .6 vs H: 7.6. Find: : P-value