alleryStart learning →Conditional probability is defined as
AP(A | B) = P(A ∩ B) / P(B), provided P(B) > 0
BP(A | B) = P(A) + P(B)
CP(A | B) = P(A) · P(B)
DP(A | B) = P(B | A) always
Answer & Solution
Correct answer: A. P(A | B) = P(A ∩ B) / P(B), provided P(B) > 0
P(A | B) = P(A ∩ B) / P(B).
It is generally NOT symmetric in A and B (that's why Bayes's rule exists).
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