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The Birthday Paradox

Video The birthday paradox: why 23 people is a coin flip

Lab The birthday collision

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The Birthday Paradox. 23 DRUNK PEOPLE = A COIN-FLIP THAT TWO SHARE A BIRTHDAY 365 days in a year. surely you'd need ~180 people? nope. 23 gets you to 50.7%. just 6 people already = 15 pairs. 23 people

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