The birthday paradox

[AntM]

Apparently the least number of people that have to be in a room in order for there to be a slightly grreater than 50% chance that two of them will share the same birthday is 23... some smart-a*** woman was trying to explain it yesterday on Radio 4's In Our Time... anyway, she didn't do a good job because I'm still on the verge of a brain haemorrhage trying to work out why...

 

Anyone out there who can explain it in terms that don't involve equations with Greek letters?

[Nathan Explosion]

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[Hassony]

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Edited May 30, 2008 by Hassony

[Kvarme Ate My Food]

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[AntM]

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[Mike]

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