birthday paradox
birthday paradox noun: the counterintuitive observation that a random group of people needs to have only 23 members before there is a 50% chance of two of them having the same birthday.
Noun
birthday paradox
- The counterintuitive observation that a random group of people needs to have only 23 members before there is a 50% chance of two of them having the same birthday.
Questions about birthday paradox
- What does birthday paradox mean?
- Birthday paradox means the counterintuitive observation that a random group of people needs to have only 23 members before there is a 50% chance of two of them having the same birthday.
- What part of speech is birthday paradox?
- Birthday paradox is a noun.
Words near birthday paradox in the dictionary
Source and license
Adapted from Wiktionary: birthday paradox (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Flame, not lame-birthday paradox.wav.
Cite this entry: “birthday paradox.” Word.ws, https://word.ws/birthday_paradox. Based on Wiktionary, CC BY-SA 4.0.
