Lengths of pregnancies are normally distributed


The lengths of pregnancies are normally distributed with a mean of 269 days and a standard deviation of 15 days. If 36 women are randomly selected, find the probability that they have a mean pregnancy between 269 days and 271 days.

A) 0.2119

B) 0.7881

C) 0.2881

D) 0.5517

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Basic Statistics: Lengths of pregnancies are normally distributed
Reference No:- TGS0111420

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