The covariance between X and Y is 15

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 22E
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Let X and Y be continuous random variables with joint p. d. f.
f(x,y) = {2 if 0<y<1-x; 0<x<1
elsewhere
The covariance between X and Y is
15
Transcribed Image Text:Let X and Y be continuous random variables with joint p. d. f. f(x,y) = {2 if 0<y<1-x; 0<x<1 elsewhere The covariance between X and Y is 15
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