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0 votes
36.7k views
in Random Variable and Mathematical Expectation by (48.4k points)

A discrete probability function p(x) is always nonnegative and always lies between ________ 

(a) 0 and ∞ 

(b) 0 and 1

(c) -1 and +1 

(d) -∞ and +∞

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1 Answer

+1 vote
by (48.1k points)

The correct answer is : (b) 0 and 1

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