| 释义 |
conditional probability For two events A and B, the probability that A occurs, given that B has occurred, is denoted by Pr(A | B), read as ‘the probability of A given B'. This is called a conditional probability. Provided that Pr(B) > 0, Pr(A | B) = Pr(A ∩ B)/Pr(B). If A and B are independent events, Pr(A|B) = Pr(A), which rearranges to the product law for independent events: Pr(A ∩ B) = Pr(A) Pr(B).
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