The lengths of a particular animal's pregnancies are approximately normally distributed, with mean p = 271 days and standard deviation o = 8 days.[a] The proportion of pregnancies that last more than 2?? days is D {Round to four decimal places as needed} [b] The proportion of pregnancies that last between 25? and 2T5 days is D. {Round to four decimal places as needed} [c] The probability that a randomly selected pregnancy lasts no more than 265 days is D. (Round to four decimal places as needed} [d] The probability ot a "very preterm" baby is D This event l1 unusual because the probability is E than 0.05. {Round to four decimal places as needed}