Suppose that X, Y, and Z are jointly distributed random variables, that is, they are defined on the same sample spac Suppose that we also have the following. E(Y)=9 Var(X) = 24 Var(Y) = 19 Var(Z) = 45 E(X) =-8 E (Z) = 2 Compute the values of the expressions below. 믐 E(-5Y-2) = | 5Y-3X ? E()= 0 2 -2+Var(-4Y) = 0 E(-4x²) = 0

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Suppose that X, Y, and Z are jointly distributed random variables, that is, they are defined on the same sample space.
Suppose that we also have the following.
E (X) = -
E(Y)=9
Var(X) = 24 Var(Y)= 19 Var(Z) = 45
= -8
E (Z) = 2
Compute the values of the expressions below.
믐
E (-5Y-2) = |
5Y-3X
?
E("")= 0
-2+Var(-4Y) = 0
E(-4x²) = 0
Transcribed Image Text:Suppose that X, Y, and Z are jointly distributed random variables, that is, they are defined on the same sample space. Suppose that we also have the following. E (X) = - E(Y)=9 Var(X) = 24 Var(Y)= 19 Var(Z) = 45 = -8 E (Z) = 2 Compute the values of the expressions below. 믐 E (-5Y-2) = | 5Y-3X ? E("")= 0 -2+Var(-4Y) = 0 E(-4x²) = 0
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