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P, Px,y(0,1)=a, y(1,1)=b, Px,y(1,2 2, Px,y(2,1)=a, o make the variance s possible

P, Px,y(0,1)=a, y(1,1)=b, Px,y(1,2 2, Px,y(2,1)=a, o make the variance s possible

MATLAB: An Introduction with Applications
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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Economics The joint distribution of X and Y is: Px,y(0,0)=1/20, Px,y(0,1)=a, Pxy(0,2)=2/20 Pxy(1,0)=a, Pxy(1,1)=b, Px,y(1,2)=a Px,y(2,0)=2/20, Px,y(2,1)=a, X,Y X,Y Px,y(2,2)=1/20 X,Y You want "a" to make the variance of Y as minimum as possible. The variance of Y equals. Select one: а. 1/2 b. 6/25 С. 3/5 d. 2/5 e. 3/10
Transcribed Image Text:Economics The joint distribution of X and Y is: Px,y(0,0)=1/20, Px,y(0,1)=a, Pxy(0,2)=2/20 Pxy(1,0)=a, Pxy(1,1)=b, Px,y(1,2)=a Px,y(2,0)=2/20, Px,y(2,1)=a, X,Y X,Y Px,y(2,2)=1/20 X,Y You want "a" to make the variance of Y as minimum as possible. The variance of Y equals. Select one: а. 1/2 b. 6/25 С. 3/5 d. 2/5 e. 3/10
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