誕生日のパラドックス
1. Birthday problemIn probability theory, the birthday problem or birthday paradox concerns the probability that, in a set of n randomly chosen people, some pair of them will have the same birthday. By the pigeonhole principle, the probability reaches 100% when the number of people reaches 366 (since there are 365 possible birthdays, excluding February 29th). However, 99% probability is reached with just 57 people, and 50% probability with 23 people.
Read “Birthday problem” on English Wikipedia
Read “誕生日のパラドックス” on Japanese Wikipedia
Read “Birthday problem” on DBpedia
Read “Birthday problem” on English Wikipedia
Read “誕生日のパラドックス” on Japanese Wikipedia
Read “Birthday problem” on DBpedia
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