Suppose that X, Y, and 2 are jointly distributed random variables, that is, they are defined on the same sample spac Suppose that we also have the following. E(X)=-8 E(Y)=6 Var(X)=33 Var(Y) = 25 Compute the values of the expressions below. E(-4+3Y)= 2X-Z (2-2)-0 -5 E Var(-Y+5)= E(-5X²) = 0 E (Z)=-1 Var(Z) = 48 00 X Ś

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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)=-8
E(Y)=6
E (Z) = -1
Var (X)=33
Var(Y)=25 Var(Z) = 48
Compute the values of the expressions below.
E(-4+3Y) =
(2x-2)=0
Var(-Y+5)=
E
E(-5X²) = 0
Explanation
W
Check
3
e
00
X
$
5
5
533
y
8
Ⓒ2022 McGraw Hill LLC. All Rights!
u
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)=-8 E(Y)=6 E (Z) = -1 Var (X)=33 Var(Y)=25 Var(Z) = 48 Compute the values of the expressions below. E(-4+3Y) = (2x-2)=0 Var(-Y+5)= E E(-5X²) = 0 Explanation W Check 3 e 00 X $ 5 5 533 y 8 Ⓒ2022 McGraw Hill LLC. All Rights! u
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