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OpenStudy (anonymous):
Event B is dependent on event A, and event A occurs before event B. Which formula can be used to find the probability of event A?
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OpenStudy (anonymous):
P(A and B) P(B) P(A and B) P(B|A) P(A and B) P(A|B) P(A and B) × P(B|A) P(A and B) × P(B)
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