If X and Y Are Random Variables with Var(X)= 7

question 123

Multiple Choice

If X and Y are random variables with Var(X) = 7.5,Var(Y) = 6 and Cov(X,Y) = 4,then Var(2X + 3Y) is:

• A)33
• B)37
• C)88
• D)132

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