Josef “Jeff” Sipek


Here’s a fun math problem…

Suppose there are n people. Each person has a hat.

Now, you collect all the hats, and distribute them back randomly. There is a certain probability that no one will get their own back.

What is the limit of this probability as n approaches infinity?

Hint: It’s a probability, so it’ll be in the [0,1] range.

(I’ll post a solution in a few days.)


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