The pregnancy length in days for a population of new mothers can be approximated by a normal distribution with a mean of 270 days and a standard deviation of a days (a) What is the minimum pregnancy length that can be in the top 10% of pregnancy lengths? (b) What is the maximum pregnancy length that can be in the bottom 6% of pregnancy longths? CE (a) The minimum pregnancy length is days (Round to one decimal place as needed (b) The maximum pregnancy tungthis days (Round to one decimal place as needed)