AI engineering glossary · Probability

What is multiplication rule?

Multiplication rule: The probability that two events both occur equals the probability of the first times the conditional probability of the second given the first: P(A and B) = P(A) x P(B | A). For independent events it reduces to P(A) x P(B).

Level: beginnerTopic: Probability

Multiplication rule: an example

Drawing two aces in a row without replacement: (4/52) x (3/51), about 0.0045.

Related terms

More Probability terms

Where you learn it

Multiplication rule is part of the AI Engineering Program, which teaches it with notes, a hands-on lab and an exam. The first lesson is free.

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