In a family with 2 children, the probability that both children will be boys is 1/4. (a)
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(a) If 1200 families with two children are selected at random, how many of the families would we expect to have 2 boys?
(b) What is the standard deviation of the number of families with 2 boys?
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Related Book For
Mathematical Applications for the Management Life and Social Sciences
ISBN: 978-1305108042
11th edition
Authors: Ronald J. Harshbarger, James J. Reynolds
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