Suppose that it is equally likely for a couple to have a boy or a girl.   (a) Suppose a couple has two kids, what if the probability that they have a boy and a girl? (b) Suppose a couple has three kids, what is the probability that at least one of them is a girl?

Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter14: Counting And Probability
Section14.CT: Chapter Test
Problem 11CT: Three people are chosen at random from a group of live men and ten women. What is the probability...
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Suppose that it is equally likely for a couple to have a boy or a girl.

 

(a) Suppose a couple has two kids, what if the probability that they have a boy and a girl?

(b) Suppose a couple has three kids, what is the probability that at least one of them is a girl?

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