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Birthday Line (Posted on 2004-03-29) Difficulty: 3 of 5
At a movie theater, the manager announces that they will give a free ticket to the first person in line whose birthday is the same as someone who has already bought a ticket. You have the option of getting in line at any time. Assuming that you don't know anyone else's birthday, that birthdays are distributed randomly throughout the year, etc., what position in line gives you the greatest chance of being the first duplicate birthday?


See The Solution Submitted by Victor Zapana    
Rating: 3.5556 (9 votes)

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  Subject Author Date
AnswerK Sengupta2008-03-18 10:36:19
SolutionSolutionDej Mar2008-03-18 04:45:15
SolutionRuopeng Wang2004-06-10 23:06:58
hmmmmmDevin2004-04-16 10:27:38
re(2): FunctionTristan2004-04-04 18:06:38
re: FunctionRichard2004-04-03 21:31:07
re(4): Function [with observations]Richard2004-04-03 14:53:00
re(3): Function [with observations]Jer2004-04-02 14:32:18
re(2): Function [with observations]Richard2004-03-31 17:19:55
re: Random GuessJer2004-03-31 12:19:22
re: Function [with observations]Jer2004-03-31 12:16:10
Random GuessBarrett Hasseldine2004-03-30 22:50:19
SolutionFunctionTristan2004-03-30 19:04:08
re: No SubjectCharlie2004-03-30 08:37:50
SolutionNo Subjecthunter2004-03-30 06:23:29
totally wrong [re: No Subject]TomM2004-03-30 05:38:20
No SubjectMatt2004-03-29 22:21:31
Solutionsolution (method of solving for Ryan)Thalamus2004-03-29 13:49:47
re(2): solution - it is rightSilverKnight2004-03-29 13:46:28
re: solution - not rightRyan2004-03-29 13:43:00
SolutionsolutionThalamus2004-03-29 13:36:54
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