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May 24, 2015

Homework Help: statistics

Posted by Cynthia on Monday, June 16, 2008 at 5:48pm.

1. If we select a birth at randam, what is the probability the mother is 19 years of age or younger.
2. What is the probability she is 30 years of age or older.
3. What is the expected age of the mother at birth.
4. What is the variance of mother's ages

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