1. Math
  2. Statistics And Probability
  3. let x be a quot3 sided diequotthat is to say...

Question: let x be a quot3 sided diequotthat is to say...

Question details
Let X be a "3 sided die,"that is to say it takes values 1, 2, or 3 with probability 1/2. After X is determined, a coin is tossed X times. Let Y be the number of heads. Find the marginal distribution of each random variable X and Y, and find E(Y).
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