Mathematics · Probability Distributions
If the joint cumulative distribution function of X and Y is given by: FXY(x, y) = 1 - e-x - e-y + e-(x+y) for x > 0, y > 0, and 0 elsewhere, then the expected values E(X) and E(Y) are respectively:
- 12, 2
- 21, 1✓
- 31, 5
- 45, 1
Correct answer
1, 1
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