# urn problem

> certain model studied in probability theory and combinatorics

**Wikidata**: [Q36938](https://www.wikidata.org/wiki/Q36938)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Urn_problem)  
**Source**: https://4ort.xyz/entity/urn-problem


## References

1. Freebase Data Dumps. 2013