T = 0.42 a For a binomial random variable the probability of success per trial is 27 What is probability of 12 successes in 30 trials? 0.1533 b 0.1438 0.1349 d 0.1265 с 28 a b What is the probability of 12 or fewer (at most 12) successes in 30 trials? 0.5346 0.5191 0.5040 0.4893 с d 29 a b What is the probability of at least 12 (12 or more) successes in 30 trials? 0.6741 0.6545 0.6354 0.6169 с d 30 a b What is the probability of between 9 and 14 successes (95x314) in 30 trials? 0.6840 0.6980 0.7122