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) =-6 Var (X) = 23 E (Y) =-7 Var (Y) = 32 Var (Z) = 33 E (Z) = 9 Compute the values of the expressions below. E (-3Y + 2) = - 0 -(")-0 2Y – 2X -5 - Var (sz) = 0 =(-2) - 0 olo

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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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.
Е (x) 3 -6
E(Y)=-7
E (Z) = 9
Var (X) = 23
Var (Y) = 32
Var (Z) = 33
Compute the values of the expressions below.
Е (-3Y + 2) - О
2Y – 2X
E
-() -u
=
-5 - Var (sz) = 0
E(-32") - 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. Е (x) 3 -6 E(Y)=-7 E (Z) = 9 Var (X) = 23 Var (Y) = 32 Var (Z) = 33 Compute the values of the expressions below. Е (-3Y + 2) - О 2Y – 2X E -() -u = -5 - Var (sz) = 0 E(-32") - 0 =
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