Question: Random variables. Given independent random variables with means and standard deviations as shown, find the mean and standard deviation of: a) 0.8Y b) 2X-100 c)

Random variables. Given independent random variables with means and standard deviations as shown, find the mean and standard deviation of: a) 0.8Y b) 2X-100 c) X + 2Y Mean SD d) 3X

a) 0.8Y b) 2X-100 c) X + 2Y Mean SD d) 3X - Y e) Y + Y X 120 12 Y 300 16.

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