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

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 - Y
e) X1 + X2

Mean SD X 10 2 Y 20 5

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