Description050329-birthday1.png	English: The birthday paradox: p(n) represents the probability that in a room with n people, some two (or more) will share the same birthday; q(n) represents the probability that in a room with n people, that at least one person will have the same birthday as a previously selected person. 中文：生日悖论 2个人生日相同和跟某人生日形同的概率变化
Date	29 March 2005
Source	self-made by en:User:Wzwz
Author	en:User:Wzwz
Permission (Reusing this file)	Public domainPublic domainfalsefalse I, the copyright holder of this work, release this work into the public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.
Other versions	File:Birthday paradox.svg is a vector version of this file. It should be used in place of this PNG file when not inferior. File:050329-birthday1.png → File:Birthday paradox.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 ∙ hrvatski ∙ magyar ∙ հայերեն ∙ Bahasa Indonesia ∙ Ido ∙ italiano ∙ 日本語 ∙ ქართული ∙ 한국어 ∙ lietuvių ∙ македонски ∙ മലയാളം ∙ Bahasa Melayu ∙ 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） ∙ 中文（臺灣） ∙ +/−

Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version.

Click on date to download the file or see the image uploaded on that date.

• (del) (cur) 22:21, 29 March 2005 . . en:User:Wzwz Wzwz ( en:User_talk:Wzwz Talk) . . 463x271 (2994 bytes) (it's pd generated with home.arcor.de/wzwz.de/einzel/birthday.zip ( also pd ))

• 18:04, 26 March 2006 Rei-artur
• 04:38, 26 December 2005 Bash (at least i THINK 'pd' refers to public domain; author doesnt claim copyright on the software either, so its a safe bet)
• 00:05, 30 March 2005 212.144.154.171 (sorry - once again wzwz, logged out)
• 23:21, 29 March 2005 Wzwz (it's pd generated with home.arcor.de/wzwz.de/einzel/birthday.zip ( also pd ))