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2. [2+2+2=6 points] Suppose that X and Y are random variables such that E(X) = 3, E(Y) = 1, Var(X) = 2, and Cov(X
2. [2+2+2=6 points] Suppose that X and Y are random variables such that E(X) = 3, E(Y) = 1, Var(X) = 2, and Cov(X + Y, X - Y) = 1. Find the following: (a) Var(X/3) (b) E(X+2Y) (c) Var(Y)
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Elementary Statisitcs
Authors: Barry Monk
2nd edition
1259345297, 978-0077836351, 77836359, 978-1259295911, 1259295915, 978-1259292484, 1259292487, 978-1259345296
