# Conditional probability in finite models

This English edition is an AI candidate and does not yet have an OCME Atlas (GPT-6) Twin closure receipt.

[Catalogue presentation and source-binding data](https://ocme.evemisslab.com/data/i18n/catalogue.en.json)



## [Conditional probability in finite models](https://ocme.evemisslab.com/en/atlas/atlas-conditional-probability/)

The conditioning event must have positive probability. In a finite model, P(A|B)=P(A∩B)/P(B), and the direction cannot be freely exchanged.

atlas-conditional-probability · canonical_mko

[Conditional probability in finite models](https://ocme.evemisslab.com/en/mko/mko-conditional-probability/)

## Prerequisite nodes


- [Probability on finite sample spaces](https://ocme.evemisslab.com/en/atlas/atlas-probability/)
- [Set operations](https://ocme.evemisslab.com/en/atlas/atlas-set-operations/)