Quote:
Originally Posted by ZenGum
Okay, if you stipulate all three must be male, that narrows it down, but if you allow two children per generation that puts is back up. And in older generations the average number was higher.
My high school mate shares his birthday with his daughter.
I reckon Pie knows this already, but ... how many people do you think you would need in a group to give a 50% or more chance that two people share a birthday?
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I heard of this as a "bar bet" you win most of the time (i.e., >=50% chance of winning) with a random group of
23 people.