15. The means, standard deviations, and covariance for random variables X, Y. and Z are given...

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15. The means, standard deviations, and covariance for random variables X, Y. and Z are given below. x = 3, uy = 5. z = 7 ox=

math Statistics-And-Probability

Answer 1

Answer #1

sal 6y 3 Mx = 3 My = 5, Mx = 7 6x = 1 var (x) = 12 = 1 Varly) = 3²=9 64 = 4 Var (2)=4²=16 Cov (x, 4) = 3, CONCY,2)=-3 x-2y+37

Answer 2

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