Let X and Y be discrete random variables with the following joint probability function. f(x,y) = XY P(X=x,Y=y) 3 9 0.10 3 6 0.30 |129 0.20 12 6 0.40 Determine the expected value of X. Enter your answer to one decimal place (should be the exact answer).

MATLAB: An Introduction with Applications
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Let X and Y be discrete random
variables with the following joint
probability function.
f(x,y) =
X Y
P(X=x,Y=y)
3 9
0.10
3 6
0.30
|129
0.20
12 6
0.40
Determine the expected value of X.
Enter your answer to one decimal place
(should be the exact answer).
Transcribed Image Text:Let X and Y be discrete random variables with the following joint probability function. f(x,y) = X Y P(X=x,Y=y) 3 9 0.10 3 6 0.30 |129 0.20 12 6 0.40 Determine the expected value of X. Enter your answer to one decimal place (should be the exact answer).
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