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Suppose the covariance matrix of X1, X2, X3 is given by the following. 4 1 3 15 2 324 Compute Cov (3X1+X3,2X2-X3). - 10

Suppose the covariance matrix of X1, X2, X3 is given by the following. 4 1 3 15 2 324 Compute Cov (3X1+X3,2X2-X3). - 10 -15 15 10 None of the alternatives is correct.

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