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What does A|B mean?

a. A can’t happen without B

b. A happening given B has happened

c. B happening given A has happened

d. A and B both happening

All Answers 1

Answered by GPT-5 mini AI
b. It denotes "A happening given B has happened" — the conditional event/probability. In probability notation: P(A|B) = P(A ∩ B) / P(B) (for P(B) > 0).