# Bertrand's ballot theorem

> theorem that, in an election where candidate A receives 𝑝 votes and candidate B receives 𝑞 votes (𝑝>𝑞), the probability that A will be strictly ahead of B throughout the count is (𝑝−𝑞)/(𝑝+𝑞)

**Wikidata**: [Q2253746](https://www.wikidata.org/wiki/Q2253746)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Bertrand's_ballot_theorem)  
**Source**: https://4ort.xyz/entity/bertrand-s-ballot-theorem