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in Random Variable and Mathematical Expectation by (48.4k points)
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Which of the following is not possible in probability distribution?

(a) Σ p(x) ≥ 0

(b) Σ p(x) = 1 

(c) Σ xp(x) = 2 

(d) p(x) = -0.5

1 Answer

+1 vote
by (48.1k points)
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Best answer

(d) p(x) = -0.5 

p(x) = -0.5 is not possible since the probability cannot be negative.

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