Suggested Exercises Let X and Y be a pair of continuous r.v. with means ut, and my and variances ox and ov. Using the formulas
Suggested Exercises Let X and Y be a pair of continuous r.v. with means ut, and my and variances ox and ov. Using the formulas for the mean and variance of continuous r.v., show that E(X - Y) = Hx - My var (X - Y) = Ox + By - 2cov (X, Y)
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