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2. Let E[X] = 1 and Var (X) = 5. Find the following. a. E[(X - 1)2] b. Var (2X + 4)

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2. Let E[X] = 1 and Var (X) = 5. Find the following. a. E[(X - 1)2] b. Var (2X + 4)

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