Answered: Let X and Y be random variables.…

Let X and Y be random variables. Suppose Var(X) = 1.6, Var(Y) = 1.5, and Cov(X, Y) = 0.1. Let Z = -1.2X + 1.2Y + 4.7. Calculate Var(Z).

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter5: Inverse, Exponential, And Logarithmic Functions

Section: Chapter Questions

Problem 43RE

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Question

Let X and Y be random variables. Suppose Var(X) = 1.6, Var(Y) = 1.5, and Cov(X, Y) = 0.1.

Let Z = -1.2X + 1.2Y + 4.7.

Calculate Var(Z).

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