Question: Random variables. Given independent random variables with means and standard deviations as shown, find the mean and standard deviation of: a) 3X b) Y +

Random variables. Given independent random variables with means and standard deviations as shown, find the mean and standard deviation of: a) 3X b) Y + 6 c) X + Y d) X

a) 3X b) Y + 6 c) X + Y d) X - Y e) X + X XY Mean SD 10 20 25

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