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Suppose that X,Y, and Z are jointly distnbuted random variables, that is, they are defined on the
same sample space. Suppose that we also have the following.
E(X)=6Var(X)=8E(Y)=7Var(Y)=38E(Z)=2Var(Z)=25 Compute the values of the expressions
below. E(5+5Z)=E(34Z5Y)=Var(24Z)=E(4Y2)=

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  • 1. Suppose that X,Y, and Z are jointly distnbuted random variables, that is, they are defined on the same sample space. Suppose that we also have the following. E(X)=6Var(X)=8E(Y)=7Var(Y)=38E(Z)=2Var(Z)=25 Compute the values of the expressions below. E(5+5Z)=E(34Z5Y)=Var(24Z)=E(4Y2)=