jilliankaygriff8943 jilliankaygriff8943
  • 07-06-2023
  • Mathematics
contestada

Let X and Y are discrete random variables with E(X)=−1, Var(X)=2,Var(Y)=5,Cov(X,Y)=−2 If W=2X−3Y what is the variance of W ? 77 −77 90 97

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