BIRTHDAY

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PARADOX

In a group of 23 people, the chance of a shared birthday exceeds 50%!

How?

Simulation Speed

Group Size

23
May 15Apr 28May 11Oct 05Dec 18Feb 24Jul 10Sep 24Feb 05Jul 21Apr 05May 24Sep 23Aug 26Jul 17Apr 10Apr 26Oct 04Oct 10Jul 24Jan 21Jun 25Nov 06
RANDOM BIRTHDAY GROUPSGENERATEDMATCHMISS0MATCH: 0 (NaN%)MISS: 0 (NaN%)
0%25%50%75%100%GROUPS WITH SHARED BIRTHDAY (%)GROUPS GENERATED