Then E(((X + 2Y)'D is equal to:

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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proba
Let X and Y be two discrete random variobles with the joint probability distribution is
given by:
Y-
12
1/12
1/6
13
X-
1/6
20
1/6
Then E((X + 2Y)*) is equal to:
281/12 O
57/6 O
147/12 O
None of these O
Transcribed Image Text:Let X and Y be two discrete random variobles with the joint probability distribution is given by: Y- 12 1/12 1/6 13 X- 1/6 20 1/6 Then E((X + 2Y)*) is equal to: 281/12 O 57/6 O 147/12 O None of these O
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