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Asked Oct 29, 2019
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2. Determine Var(Y) when Y 3X1 +2X2 with Var(X1) 1, Var(X2) 5, Cov(X, X2) 2, E X1}
3, аnd E{X} 4.
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2. Determine Var(Y) when Y 3X1 +2X2 with Var(X1) 1, Var(X2) 5, Cov(X, X2) 2, E X1} 3, аnd E{X} 4.

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Step 1
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To find Van C9). Van Cz,) = 1, Von (3,) = 5, Cov ( x, , Xa ) = 2 EC2,) =3,

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