Question

Please help with below A, B, and C

Suppose the lengths of the pregnancies of a certain animal are approximately normally distributed with mean mu equals 258 days and standard deviation sigma equals 24 days.

What is the probability that a randomly selected pregnancy lasts less than 249 ​days? The probability that a randomly selected pregnancy lasts less than 249 days is approximately .3520. ​(Round to four decimal places as​ needed.)

A. If 100 pregnant individuals were selected independently from this​ population, we would expect _____ pregnancies to last more than 249 days.

B. If 100 pregnant individuals were selected independently from this​ population, we would expect ______ pregnancies to last exactly 249 days.

C. If 100 pregnant individuals were selected independently from this​ population, we would expect_______ pregnancies to last less than 249 days.

Answer 1