Length of pregnancies. The length of human pregnancies from conception tobirth varies
Chapter 0, Problem 3.7(choose chapter or problem)
Length of pregnancies. The length of human pregnancies from conception tobirth varies according to a distribution that is approximately Normal with mean266 days and standard deviation 16 days. Use the 689599.7 rule to answer thefollowing questions.(a) Between what values do the lengths of almost all (99.7%) pregnancies fall?(b) How short are the shortest 2.5% of all pregnancies?
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