Description050329-birthday2.png	English: A graph comparing the accuracy of an approximation of the probability that in a room with n people (shown along the horizontal axis), some two (or more) will share a birthday. The black line, labeled 1, represents the computed probability. The white line, labeled 2, represents the approximation ${\displaystyle 1-e^{-n^{2}/{2\cdot 365}}}$.
Date	29 March 2005
Source	Own work
Author	Wzwz
Permission (Reusing this file)	Public domainPublic domainfalsefalse This work is ineligible for copyright and therefore in the public domain because it consists entirely of information that is common property and contains no original authorship.

File:Birthday paradox approximation.svg is a vector version of this file. It should be used in place of this PNG file. File:050329-birthday2.png → File:Birthday paradox approximation.svg For more information, see Help:SVG. In other languages Alemannisch ∙ العربية ∙ беларуская (тарашкевіца) ∙ български ∙ বাংলা ∙ català ∙ нохчийн ∙ čeština ∙ dansk ∙ Deutsch ∙ Ελληνικά ∙ English ∙ British English ∙ Esperanto ∙ español ∙ eesti ∙ euskara ∙ فارسی ∙ suomi ∙ français ∙ Frysk ∙ galego ∙ Alemannisch ∙ עברית ∙ हिन्दी ∙ hrvatski ∙ magyar ∙ հայերեն ∙ Bahasa Indonesia ∙ Ido ∙ italiano ∙ 日本語 ∙ ქართული ∙ 한국어 ∙ lietuvių ∙ македонски ∙ മലയാളം ∙ Bahasa Melayu ∙ မြန်မာဘာသာ ∙ norsk bokmål ∙ Plattdüütsch ∙ Nederlands ∙ norsk nynorsk ∙ norsk ∙ occitan ∙ polski ∙ prūsiskan ∙ português ∙ português do Brasil ∙ română ∙ русский ∙ sicilianu ∙ Scots ∙ slovenčina ∙ slovenščina ∙ српски / srpski ∙ svenska ∙ தமிழ் ∙ ไทย ∙ Türkçe ∙ татарча / tatarça ∙ українська ∙ vèneto ∙ Tiếng Việt ∙ 中文 ∙ 中文（中国大陆） ∙ 中文（简体） ∙ 中文（繁體） ∙ 中文（马来西亚） ∙ 中文（新加坡） ∙ 中文（臺灣） ∙ +/−

 

All following user names refer to en.wikipedia.

All following user names refer to en.wikipedia.

• (del) (cur) 07:06, 22 August 2005 . . en:User:Zcrayfish Zcrayfish ( en:User_talk:Zcrayfish Talk) . . 466x276 (1166 bytes) (Reduced filesize by using a en:Pngrewrite pngrewrite en:Optipng optipng en:Pngcrush pngcrush pngout chain.)
• (del) (rev) 22:22, 29 March 2005 . . en:User:Wzwz Wzwz ( en:User_talk:Wzwz Talk) . . 466x276 (2903 bytes) (it's pd )