Question Answered step-by-step In each of the following cases, ?nd the mean, varianceI and standard deviation of the sampling distribution ofthe sample proportion .3. (a) p = J’. n = 250 (Round variance to 6 decimal places and standard deviation to 4decimal places. Do not round intermediate values.) —— —— —— —— (b) p = .2, n = 112 (Round vari… Show more… Show moreMath STATISTICS 175
