Question: Random variables Given independent random variables with means and standard deviations as shown, find the mean and standard deviation of each of the variables below.

Random variables Given independent random variables with means and standard deviations as shown, find the mean and standard deviation of each of the variables below. The variables X1 and X2 are independent with the same distribution as X.

a) X + 50

b) 10Y

c) X + 0.5Y

d) X - Y

e) X1 + X2 Mean SD X 50 8 Y 100 6

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