The pregnancy length (in days) for a population of new mothers can be approximated by a normal
Question:
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?
(b) What is the maximum pregnancy length that can be in the bottom 5% of pregnancy lengths?
Answer the questions about the specified normal distribution.
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Related Book For 
Elementary Statistics Picturing The World
ISBN: 9780134683416
7th Edition
Authors: Ron Larson, Betsy Farber
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