E(-4X + 4) = | 5z - 4X - 0 %3D 4 Var (sz) + 5 0 E(2x*) - I

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.CR: Chapter 13 Review
Problem 42CR
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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 (Z)=-7
E(Y)=-9
Var (X)= 32 Var (Y)=38 Var (Z)= 37
E(X)=-6
Compute the values of the expressions below.
Aa
E (-4X + 4) - [|
5z-4X
E
4
Var (sz) + 5 = 0
E (2x) - 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 (Z)=-7 E(Y)=-9 Var (X)= 32 Var (Y)=38 Var (Z)= 37 E(X)=-6 Compute the values of the expressions below. Aa E (-4X + 4) - [| 5z-4X E 4 Var (sz) + 5 = 0 E (2x) - 0
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