Word Pronunciation & Dictionary

birthday paradox

Word Rarity Rare

Frequency: Zipf frequency 3.60 in modern English

Syllables: birth-day -para-dox
IPA

34

Scrabble Score

15

Letters

4

Syllables

11

Unique Chars

Meaning

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.

Phrases

birthday problem

Frequently Paired Words

birthday problem

Questions

What does birthday paradox mean?: 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.

How to pronounce birthday paradox

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