Mathematics, 11.09.2021 14:00 garzacon8822

Let x and y be independent random variables, suppose the respective expected values are E(X)=8 and E(Y)=3 and the respective variances are V(X)=9 and V(Y)=6.let Z be defined as Z =2X-3Y+5.based on these data, the value of E(Z) is? And the value of V(Z) is?

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Let x and y be independent random variables, suppose the respective expected values are E(X)=8 and E...