Question: 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)

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
d) 3X - Y
e) Y1 +Y2

Mean SD 120 12 Y 300 16

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