Mathematics · Probability Theory
Let X and Y be random variables with cumulative distribution functions F and G respectively. Assume that F is continuous. Which of the following functions of x is necessarily a cumulative distribution function (CDF)?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1(1 - F(x)) (1 - G(x))
- 2F(x) G(x)✓
- 31 2 (1 - F(-x) + G(x))
- 41 2 (1 - G(-x) + F(x))
Correct answer
F(x) G(x)
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