X and Y are random variables such that Var(X) = 4, Var(Y) = 6 and Var(X+Y) = 16. Calculate Var(a X + b Y), where a and b are arbitrary constants. Your final answer must be an expression. Type your answer and show all your work.

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X and Y are random variables such that Var(X) = 4, Var(Y) = 6 and Var(X+Y) = 16. Calculate Var(a X + b Y), where
a and b are arbitrary constants.
Your final answer must be an expression. Type your answer and show all your work.
Transcribed Image Text:X and Y are random variables such that Var(X) = 4, Var(Y) = 6 and Var(X+Y) = 16. Calculate Var(a X + b Y), where a and b are arbitrary constants. Your final answer must be an expression. Type your answer and show all your work.
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