Probability & Combinatorics
Basic

Multiplication Rule (Independent)

Probability of both independent events occurring.

Formula

P(A∩B)=P(A)⋅P(B)P(A \cap B) = P(A) \cdot P(B)

Variables

A,BIndependent events

Example

Two heads: 0.5 × 0.5 = 0.25

Did You Know?

Independence means one event does not affect the other.

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