Flashcards

Probability

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Question

What is the formula for the conditional probability of an event E, given that event F has occurred?

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Answer

The conditional probability P(E∣F)P(E|F) is given by: P(E∣F)=P(E∩F)P(F)P(E|F) = \frac{P(E \cap F)}{P(F)} This formula is valid provided that P(F)≠0P(F) \neq 0.

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