the Birthday paradox.

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don’t know why but if i try to explain why i don’t get this paradox the post gets removed

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8 Answers

Anonymous 0 Comments

ELI5 version:

It only takes 23 people before two people probably share a birthday.

This sounds weird, but it’s because you’re comparing Person 1’s birthday to Person 2, and Person 3, and Person 4, etc…and then *also* comparing Person 2’s birthday to Person 3, Person 4, etc…and then *also* comparing Person 3’s birthday to Person 4, Person 5, etc…

The number of comparisons you’re doing is way, way, *way* more than 23.

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