The link of a particular animals pregnancies are approximately normal distributed with means 261 days in a standard deviation of 12 days what is the portion of pregnancy lasting more than 270 days what portion of the pregnancy loss between 240 and 264 days what is the probability that a randomly selected pregnancy last more than 246 days a very Premium baby is one whose gestation. Is less than 243 days are very pretty babies unusual

The lengths of a particular animals pregnancies are approximately normally distributed, with mean u = 261 days and standard deviation o = 12 days. () What proportion of pregnancies lasts more than 270 days? (b) What proportion of pregnancies lasts between 240 and 264 days? ic) What is the probability that a randomly selected pregnancy lasts no more than 246 days? (0) A very preterm" baby is one whose gestation period is less than 243 days. Are very preterm babies unusual? Click the icon to view a table of areas under the normal curve (a) The proportion of pregnancies that last more then 270 days is |0.5825 (Round to four decimal places as needed.) Co) The proportion of pregnancies that last between 240 and 264 days is [ Round to four decimal places as needed ) (c) The probability that as randomly selected pregnancy lasts no more than 248 days is (Round to four, decanal places as needed ) (c) A very preterm' baby is one whose gestation period is less than 243 days, Are very preterm babies unusual? The probability of this event is , soil be unusual because the probably is than D.05 [Round to four decimal places as needed)