Image:Birthday paradox.png

维基百科，自由的百科全书

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The en:Birthday paradox. This graph shows the probability that there is at least one pair of people with the same birthday amongst a certain number of people.

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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License".