Hi, I need help in solving this problem. I am having trouble understanding probability. There are two parts to this question which I have included.

b. Babies who are born on or before days are considered premature. (Round to the nearest integer as needed.) Vi More X Enter your answer in the answer box and then click Check Answer. ? All parts showing Clear All Check AnswerThe lengths of pregnancies are normally distributed with a mean of 269 days and a standard deviation of 15 days. a. Find the probability of a pregnancy lasting 309 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 p_age 1 of the table. Click to view p_age 2 of the table. a. The probability that a pregnancy will last 309 days or longer is :|. (Round to four decimal places as needed.) Enter your answer in the answer box and then click Check Answer. 93" r 7 remaining CIearAll CheckAnswer H 4 r