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I have two investment portfolios and I routinely invest $1000 in each one of them. Let X = the am amount of money made on

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I have two investment portfolios and I routinely invest $1000 in each one of them. Let X = the am amount of money made on investment 2, assume the following E(X) = 160 and Var(X) = 466 E(Y) = 206 and Var(Y) = 9832 Cov(X, Y) = 32 Let D = X - Y, ie the difference between my investments. Calculate Var(D)

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