Probability Cheatsheet v2.0 Thinking Conditionally Law of ...

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Thinking Conditionally Independence Independent Events Aand Bare independent if knowing whether Aoccurred gives no information about whether Boccurred. More formally, Aand B(which have nonzero probability) are independent if and only if one of the following equivalent statements holds: P(A\ B) = ) P(AjB) = P(A) P(BjA) = P(B)

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