Mathematics · Expectation of Independent Variables
If X and Y are random variables, the expectation product equality E(XY) = E(X)E(Y) holds true:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1if X and Y are independent random variables✓
- 2if X and Y are dependent random variables
- 3for all random variables regardless of independence
- 4only when X and Y are identical continuous variables
Correct answer
if X and Y are independent random variables
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