Let X 1 and X 2 be two independent random variables so that the variances of X

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Let X1 and X2 be two independent random variables so that the variances of X1 and X2 are σ21 = k and σ22 = 2, respectively. Given that the variance of Y = 3X2 − X1 is 25, find k.

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Introduction To Mathematical Statistics

ISBN: 9780321794710

7th Edition

Authors: Robert V., Joseph W. McKean, Allen T. Craig

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