In each of the following cases, determine whether the sample size n is large enough to use the large sample formula to compute a confidence interval for p. [a] =.1,n=30 ; {n[phat}) and n(1(phat)} - both greater than 5: nip-hat) = - "ll 1-(P-hall) = {b} 13: .1, n: 100 ; {n[ph at\" and n(1(phat}} - both greater than 5: n{phal) "(1-(p-hall) =