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III. Suppose that X, ...,Xo , and Y are independent RVs and that X, . .. Yo are each Poisson with mean 4 and Y

III. Suppose that X, ...,Xo , and Y are independent RVs and that X, . .. Yo are each Poisson with mean 4 and Y is exponential with mean 5. Let K= 1 (X + . . . + X) . Find 1. ECK ) 10 2. Var( X) 3. Var (X-Y)

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