Q2) If X&Y are two random variables with the following probability distribution 2 0.25 0.25 0.25 0.25 fod a) Calculate the covariance between X & Y b) Are X & Y independent, relate your answer to part (a) above e) Find the (1) E(XY=8) (2) E(YIX-2)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 35E
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J 7
Q2) If X&Y are two random variables with the following probability distribution
X
3
2
0
0.25
0.25
Y
1
0.25
0.25
a) Calculate the covariance between X & Y
b) Are X & Y independent, relate your answer to part (a) above
e) Find the (1) E(XY-8)
(2) E(YX=2)
Transcribed Image Text:Q2) If X&Y are two random variables with the following probability distribution X 3 2 0 0.25 0.25 Y 1 0.25 0.25 a) Calculate the covariance between X & Y b) Are X & Y independent, relate your answer to part (a) above e) Find the (1) E(XY-8) (2) E(YX=2)
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