📊ap statistics review

Law of total probability

Written by the Fiveable Content Team • Last updated August 2025
Verified for the 2027 exam
Verified for the 2027 examWritten by the Fiveable Content Team • Last updated August 2025

Definition

A rule stating that the total probability of an event is the sum of probabilities of that event given each partition of the sample space, weighted by the probability of each partition.

AP course connection

Topic 4.6: 4.6 Independent Events and Unions of Events

Unit 4

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