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  3. To test a theory. (Shared Birthdays)

To test a theory. (Shared Birthdays)

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  • D Dalek Dave

    Young Henry mentioned his mother's Birthday below and it reminded me of a probability experiment that states if 23 people are in a room, it is more likely than less that 2 of them share a birthday. What date is your birthday people? Mine is 31st March. Let us see if the first 23 posters to this can get a matching pair?

    ------------------------------------ "When Belly Full, Chin Hit Chest" Confucius 502BC

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    TNCaver
    wrote on last edited by
    #72

    Exactly 7 days before Christmas.

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    • O ormonds

      Now that has to be Oct 30 1805, doesn't it?

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      hal23x
      wrote on last edited by
      #73

      According to the all-knowing Wikipedia it's 21 October 1805--however, my birthday is 30 October, so your comment piqued my interest in this thread.

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      • D Dalek Dave

        Young Henry mentioned his mother's Birthday below and it reminded me of a probability experiment that states if 23 people are in a room, it is more likely than less that 2 of them share a birthday. What date is your birthday people? Mine is 31st March. Let us see if the first 23 posters to this can get a matching pair?

        ------------------------------------ "When Belly Full, Chin Hit Chest" Confucius 502BC

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        edmurphy99
        wrote on last edited by
        #74

        July 28th

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        • D Dalek Dave

          Young Henry mentioned his mother's Birthday below and it reminded me of a probability experiment that states if 23 people are in a room, it is more likely than less that 2 of them share a birthday. What date is your birthday people? Mine is 31st March. Let us see if the first 23 posters to this can get a matching pair?

          ------------------------------------ "When Belly Full, Chin Hit Chest" Confucius 502BC

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          MikoTheTerrible
          wrote on last edited by
          #75

          November 16th, I didn't notice anyone else with it. :sigh:

          "The computer industry is the only industry that is more fashion-driven than women's fashion. Maybe I'm an idiot, but I have no idea what anyone is talking about. What is it? It's complete gibberish. It's insane. When is this idiocy going to stop?" -- Oracle CEO Larry Ellison

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          • D Dalek Dave

            Young Henry mentioned his mother's Birthday below and it reminded me of a probability experiment that states if 23 people are in a room, it is more likely than less that 2 of them share a birthday. What date is your birthday people? Mine is 31st March. Let us see if the first 23 posters to this can get a matching pair?

            ------------------------------------ "When Belly Full, Chin Hit Chest" Confucius 502BC

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            Battlehammer
            wrote on last edited by
            #76

            July 30th

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            • D Dalek Dave

              Young Henry mentioned his mother's Birthday below and it reminded me of a probability experiment that states if 23 people are in a room, it is more likely than less that 2 of them share a birthday. What date is your birthday people? Mine is 31st March. Let us see if the first 23 posters to this can get a matching pair?

              ------------------------------------ "When Belly Full, Chin Hit Chest" Confucius 502BC

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              Chris Dykes
              wrote on last edited by
              #77

              22 November

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              • A Adam Maras

                February 9.

                Adam Maras | Software Developer Microsoft Certified Professional Developer

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                tonll
                wrote on last edited by
                #78

                Same! =) Feb 9

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                • K kduffingb

                  17 Feb also :laugh: :laugh:

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                  skydvr
                  wrote on last edited by
                  #79

                  17th Feb also.

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                  • J Jorgen Sigvardsson

                    Yay! Mine's also November 6. :)

                    -- Kein Mitleid Für Die Mehrheit

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                    Mike Ellison
                    wrote on last edited by
                    #80

                    Well there you go! Duplicate birthdays already.

                    www.MishaInTheCloud.com

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                    • D Dalek Dave

                      Young Henry mentioned his mother's Birthday below and it reminded me of a probability experiment that states if 23 people are in a room, it is more likely than less that 2 of them share a birthday. What date is your birthday people? Mine is 31st March. Let us see if the first 23 posters to this can get a matching pair?

                      ------------------------------------ "When Belly Full, Chin Hit Chest" Confucius 502BC

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                      ecooke
                      wrote on last edited by
                      #81

                      June 4th

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                      • D Dalek Dave

                        Young Henry mentioned his mother's Birthday below and it reminded me of a probability experiment that states if 23 people are in a room, it is more likely than less that 2 of them share a birthday. What date is your birthday people? Mine is 31st March. Let us see if the first 23 posters to this can get a matching pair?

                        ------------------------------------ "When Belly Full, Chin Hit Chest" Confucius 502BC

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                        Duraplex
                        wrote on last edited by
                        #82

                        May 13 - it was a Friday

                        1 Reply Last reply
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                        • S skydvr

                          17th Feb also.

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                          mrMercury
                          wrote on last edited by
                          #83

                          Same here feb 17

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                          • D Dalek Dave

                            Young Henry mentioned his mother's Birthday below and it reminded me of a probability experiment that states if 23 people are in a room, it is more likely than less that 2 of them share a birthday. What date is your birthday people? Mine is 31st March. Let us see if the first 23 posters to this can get a matching pair?

                            ------------------------------------ "When Belly Full, Chin Hit Chest" Confucius 502BC

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                            Rick Shaub
                            wrote on last edited by
                            #84

                            .

                            1 Reply Last reply
                            0
                            • D Dalek Dave

                              Young Henry mentioned his mother's Birthday below and it reminded me of a probability experiment that states if 23 people are in a room, it is more likely than less that 2 of them share a birthday. What date is your birthday people? Mine is 31st March. Let us see if the first 23 posters to this can get a matching pair?

                              ------------------------------------ "When Belly Full, Chin Hit Chest" Confucius 502BC

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                              Keith Barrett
                              wrote on last edited by
                              #85

                              August 7th. Still time to send me something! :-D

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                              • M Member 4333494

                                27 February

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                                ricecake
                                wrote on last edited by
                                #86

                                February 27 too!

                                -- Marcus Kwok

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                                • D Dalek Dave

                                  Young Henry mentioned his mother's Birthday below and it reminded me of a probability experiment that states if 23 people are in a room, it is more likely than less that 2 of them share a birthday. What date is your birthday people? Mine is 31st March. Let us see if the first 23 posters to this can get a matching pair?

                                  ------------------------------------ "When Belly Full, Chin Hit Chest" Confucius 502BC

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                                  Charvak Karpe
                                  wrote on last edited by
                                  #87

                                  It's not really mathematically the same experiment because I imagine people viewing the thread are more likely to respond if they see their birthday already. You have to model all the people who viewed the thread, but did not reply because they weren't interested enough, but would have replied if they had a matching birthday because it feels like winning a prize. Anyway, I don't think my birthday matches, but here it is since ideally anyone viewing the thread ought to be compelled to state a birthday: Sep 23 Next time, write a webpage that requires people to enter a birthday to view the list of birthdays. And if two people pick Jan 1, it doesn't count because they were more likely to have just been lazy.

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