What are the two key properties of a discrete probability distribution? A) 0 ≤ P(X = x) ≤1 and ∑P(X = x_i ) = 0 B) 0 ≤ P(X = x) ≤1 and ∑P(X = x_i ) = 1 C) -1 ≤ P(X = x) ≤1 and ∑P(X = x_i ) = 1 D) -1 ≤ P(X = x) ≤1 and ∑P(X = x_i ) = 0

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The two key properties of a discrete probability distribution are that the probability of each possible outcome is between 0 and 1, and the sum of all probabilities of possible outcomes is equal to 1. Option B is the only one that correctly states both properties.

What Are the Two Key Properties of a Discrete Probability