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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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    When you have answered these questions, we will gladly give you further suggestions, if needed. We do not do your homework for you.

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