ELi5: what’s the birthday paradox ? And is its mathematical basics a correct proof?
In: Mathematics
The birthday paradox is that, in a room with 23 people, the odds of two people having the same birthday is around 50%.
It is not a *true* paradox, merely a counterintuitive mathematical fact. The proof of it is sound and the issue comes from the fact that when people think of two people sharing a birthday you usually thing of it in terms of sharing a specific day rather than thinking about it being any day of the year.
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