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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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    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

      C Offline
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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

        T Offline
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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.

          M 1 Reply Last reply
          0
          • J Jorgen Sigvardsson

            Yay! Mine's also November 6. :)

            -- Kein Mitleid Für Die Mehrheit

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            M Offline
            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

              E Offline
              E Offline
              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.

                  M Offline
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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

                    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

                      K Offline
                      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

                          C Offline
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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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