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(Step-by-Step) A committee of three people is to be randomly selected from a group containing four Republicans, three Democrats, and two independents. Let

Question: A committee of three people is to be randomly selected from a group containing four Republicans, three Democrats, and two independents. Let Y 1 and Y 2 denote numbers of Republicans and Democrats, respectively, on the committee.

  1. What is the joint probability distribution for Y 1 and Y 2 ?
  2. Find the marginal distributions of Y 1 and Y 2 .
  3. Find P(Y 1 =1 l Y 2 ≥ 1)

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