Random variables X and Y follow a joint distribution

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 21E
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Question
2.68 Random variables X and Y follow a joint distribution
f(x, y)
(a) find E(X² Y-2XY);
(b) find E(X)-E(Y).
00
1
0 1
3
70
2
2
18
70 70
3
9
70 70
2
9
70
18
70
3
70
33222
70
70
0
Transcribed Image Text:2.68 Random variables X and Y follow a joint distribution f(x, y) (a) find E(X² Y-2XY); (b) find E(X)-E(Y). 00 1 0 1 3 70 2 2 18 70 70 3 9 70 70 2 9 70 18 70 3 70 33222 70 70 0
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