A committee of three people is to be randomly selected from a group containing four
Chapter 5, Problem 5.148(choose chapter or problem)
A committee of three people is to be randomly selected from a group containing four Republicans, three Democrats, and two independents. Let Y1 and Y2 denote numbers of Republicans and Democrats, respectively, on the committee. a What is the joint probability distribution for Y1 and Y2? b Find the marginal distributions of Y1 and Y2. c Find P(Y1 = 1|Y2 1).
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