释义 |
Conditional ProbabilityThe conditional probability of given that has occurred, denoted , equals
 | (1) |
which can be proven directly using a Venn Diagram. Multiplying through, this becomes
 | (2) |
which can be generalized to
 | (3) |
Rearranging (1) gives
 | (4) |
Solving (4) for and plugging in to (1) gives
 | (5) |
See also Bayes' Formula
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