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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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    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

      D Offline
      D Offline
      Duraplex
      wrote on last edited by
      #82

      May 13 - it was a Friday

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      • S skydvr

        17th Feb also.

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        M Offline
        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

          R Offline
          R Offline
          Rick Shaub
          wrote on last edited by
          #84

          .

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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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            K Offline
            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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                C Offline
                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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