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The Birthday Problem

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Author:Math Forum, a Classic Problem from the Ask Dr. Math FAQ
Description: What if somebody offered to bet that at least two people in your math class had the same birthday? Would you take the bet? How large must a class be to make the probability of finding two people with the same birthday at least 50%?
Levels: Middle School (6-8), High School (9-12)
Languages: English
Resource Types: Problems/Puzzles, Frequently Asked Questions (FAQs)
Math Topics: Probability

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