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

Verified
Correct Answer:
Verified
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