Answered: Let Y, and Y2 be two random variables…

Let Y, and Y2 be two random variables such that E(Y1)=3, Var(Y1)=4, E(Y2)=2, Var(Y2)=9, Cov(Y1, Y2)=-5 The variance of (2Y1 -3Y2), Var(2Y1 -3Y2), is a. None of them b. 109 С. 25 d. 157 е. 73

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Concept explainers

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.

Question

I need the answer as soon as possible

Let Y, and Y, be two random variables such
that E(Y1)=3, Var(Y1)=4, E(Y2)=2, Var(Y2)=9,
Cov(Y1, Y2)=-5
The variance of (2Y1 -3Y2), Var(2Y1 -3Y2),
is
a. None of them
b. 109
С.
25
d. 157
е. 73

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