Answer the questions about the specified normal distributions. Round to the nearest tenth. Pregnancy Length The pregnancy length (in days) for a population of new mothers can be approximated by a normal distribution, with a mean of 267 days and a standard deviation of 10 days. (a) What is the minimum pregnancy length that can be in the top 10% of pregnancy lengths? days (b) What is the maximum pregnancy length that can be in the bottom 5% of pregnancy lengths? days