Partially Correct Expression 3: Your answer is incorrect. 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)=9 Var (X)=37 E(Y)=-5 E (Z)=-6 Var(Y)=23 Var (Z)=24 Compute the values of the expressions below. E (Y+2)= -3 – 5X+Z E 51 4- Var (-5Y)= 119 E(42?)= 240

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Partially Correct
Expression 3: Your answer is incorrect.
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)=9
E (Y)=-5
Var (X)=37 Var(Y)=23 Var(z)=24
E (Z)=-6
Compute the values of the expressions below.
E(Y+2)= -3
- 5X+Z`
E
51
– 5
4- Var (-5Y)= 119
E (4Z²)= 240
Save Fo
Recheck
Try one last time
© 2022 McGraw Hill LLC. All Rights Reserved. Term
étv
Transcribed Image Text:Partially Correct Expression 3: Your answer is incorrect. 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)=9 E (Y)=-5 Var (X)=37 Var(Y)=23 Var(z)=24 E (Z)=-6 Compute the values of the expressions below. E(Y+2)= -3 - 5X+Z` E 51 – 5 4- Var (-5Y)= 119 E (4Z²)= 240 Save Fo Recheck Try one last time © 2022 McGraw Hill LLC. All Rights Reserved. Term étv
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