[Solved] 8. Suppose that X1Normal(1,9) and X2Norma

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8. Suppose that X1Normal(1,9) and X2Normal(3,16) are independent. Determine the mean and variance of each of the following normal random variables: (a) X1+X2 (b) X2

8. Suppose that X1Normal(1,9) and X2Normal(3,16) are independent. Determine the mean and variance of each of the following normal random variables: (a) X1+X2 (b) X2 (c) X1X2 (d) 2X1 (e) 2X12X2

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