I am having trouble with parts A and B.

Math-K300 Spring 2022 Online Homework: Section 5.3 Normal Distributions: Question 17, 5.3.38-T HW Sc E Finding Values Part 1 of 2 x Poi 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 12% of pregnancy lengths? (b) What is the maximum pregnancy length that can be in the bottom 4% of pregnancy lengths? (a) The minimum pregnancy length is |days. (Round to one decimal place as needed.)