In a group of 2,000 people, must at least 5 have the same birthday? Why? In a group of 2,000 people, must at least 5 have the same birthday? Why?

asked Sep 28, 2017 75.3k views

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In a group of 2,000 people, must at least 5 have the same birthday? Why?

In a group of 2,000 people, must at least 5 have the same birthday? Why?

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Yes. 2,000/365 = 5.49, which is larger than 5.

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