>>The interesting part is that most people, when asked this question, would estimate a much, much lower probability. 5% or 10% seems much more likely than 50%.
>>
>>Hilmar.
>
>Or posed the other way, how many people in a room to have better than 50% chance of two having the same birthday, people usually guess much higher, from 100-180. With 80 people in the room, the probability is over 99.99%.
And, most people, when you tell them the right answer, have problems gettiong it because they can't distinguish between two people having a particular birthday and finding two people with the same birthday.
Tamar
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