The lengths of a particular animal's pregnancies are approximately normally distributed, with mean u = 264 days and standard deviation o = 16 days. (a) What proportion of pregnancies lasts more than...

Extracted text: The lengths of a particular animal's pregnancies are approximately normally distributed, with mean u = 264 days and standard deviation o = 16 days. (a) What proportion of pregnancies lasts more than 292 days? (b) What proportion of pregnancies lasts between 256 and 272 days? (c) What is the probability that a randomly selected pregnancy lasts no more than 240 days? (d) A "very preterm" baby is one whose gestation period is less than 228 days. Are very preterm babies unusual? = Click the icon to view a table of areas under the normal curve. mo prODaDmy uar a Tanuommy DoIociou prognancy iasta TIO TITOIG UiaIT 44U uaya la U000. (Round to four decimal places as needed.) (d) A "very preterm" baby is one whose gestation period is less than 228 days. Are very preterm babies unusual? The probability of this event is, s it be unusual because the prabability is less than 0.05. would (Round to four decimal places as needed.) in the answNer box and then click Check Answer.