The lengths of pregnancies are normally distributed with a mean of 267 days and a standard deviation of 15 days. a. Find the probability of a pregnancy lasting 307 days or longer. b. If the length of pregnancy is in the lowest 2?%, then the baby is premature. Find the length that separates premature babies from those who are not premature.Click to view page 1 of the table. LOADING... Click to view page 2 of the table. LOADING...a. The probability that a pregnancy will last 307 days or longer is nothing.?(Round to four decimal places as? needed.)

The lengths of pregnancies are normally distributed with a mean of 267 days and a standard deviation of 15 days. 3. Find the probability of a pregnancy lasting 307 days or longer. b. If the length of pregnancy is in the lowest 2%, then the baby is premature. Find the length that separates premature babies from those who are not premature. Click in View name. 1 nf the. table. Click in View name 7 of the. table. a. The probability that a pregnancy will last 307 days or longer is D. (Round to four decimal places as needed.)