February 27, 2017

Homework Help: Statistics

Posted by Jane on Sunday, February 10, 2013 at 4:32pm.

The lengths of pregnancies are normally distributed with a mean of 273 days and a standard deviation of 20 days. If 64 women are randomly selected, find the probability that they have a mean pregnancy between 273 days and 275 days.

Answer This Question

First Name:
School Subject:

Related Questions

More Related Questions