The length of pregnancies are normally distributed with a

Last updated: 5/8/2023

The length of pregnancies are normally distributed with a mean of 268 days 268 and a standard deviation of 15 days 15 A group of 36 pregnant women n 36 were in a parenting class together What is the probability that the average pregnancy for the women lasted longer than 270 days 21 2 28 8 55 2 78 8