If X and Y are independent random variables with means ?X = 9.5 and ?Y = 6.8 and standard deviations ?X = 0.4 and ?Y = 0.1, find the means and standard deviations of the following:
a. 3X
b. Y ? X
c. X + 4Y
DATE
Question answered on Jul 22, 2018
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Solution~000637641.zip (18.37 KB)
