On the omega probability distribution

Idika E. Okorie, Saralees Nadarajah

Research output: Contribution to journalArticlepeer-review

10 Scopus citations


Dombi, Jónás, Tóth, and Árva (Quality and Reliability Engineering International, 2018, doi: 10.1002/qre.2425) introduced the omega probability distribution. They stated that main properties of this distribution are “difficult to deal with” analytically. In this note, we derive closed-form expressions for all of the main properties of the omega distribution. A real data illustration of the derived expressions is also given.

Original languageBritish English
Pages (from-to)2045-2050
Number of pages6
JournalQuality and Reliability Engineering International
Issue number6
StatePublished - 1 Oct 2019


  • beta function
  • Gauss hypergeometric function
  • mean


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