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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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    Mike Ellison
    wrote on last edited by
    #20

    November 6. If anyone wants to send me a present then, let me know :-)

    www.MishaInTheCloud.com

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    • D Dalek Dave

      Tom Cruise Film - Born on the Fourth of July

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

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      G Offline
      Gary R Wheeler
      wrote on last edited by
      #21

      One of the few of his movies where I genuinely admired his performance.

      Software Zen: delete this;
      Fold With Us![^]

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      • M Mike Ellison

        November 6. If anyone wants to send me a present then, let me know :-)

        www.MishaInTheCloud.com

        L Offline
        L Offline
        Lost User
        wrote on last edited by
        #22

        october 19

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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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          Ennis Ray Lynch Jr
          wrote on last edited by
          #23

          August 3rd. Apparently, I am now old according to all of my friends.

          Need custom software developed? I do C# development and consulting all over the United States. A man said to the universe: "Sir I exist!" "However," replied the universe, "The fact has not created in me A sense of obligation." --Stephen Crane

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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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            Marc Clifton
            wrote on last edited by
            #24

            My birthday (month, day, not year) is the same as Bill Clinton's. :cool: Explains a lot. :doh: Marc

            Will work for food. Interacx

            I'm not overthinking the problem, I just felt like I needed a small, unimportant, uninteresting rant! - Martin Hart Turner

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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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              L Offline
              leckey 0
              wrote on last edited by
              #25

              ...

              Back in the blog beatch! http://CraptasticNation.blogspot.com/[^]

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              • M Marc Clifton

                My birthday (month, day, not year) is the same as Bill Clinton's. :cool: Explains a lot. :doh: Marc

                Will work for food. Interacx

                I'm not overthinking the problem, I just felt like I needed a small, unimportant, uninteresting rant! - Martin Hart Turner

                M Offline
                M Offline
                Mark_Wallace
                wrote on last edited by
                #26

                Marc Clifton wrote:

                My birthday (month, day, not year) is the same as Bill Clinton's.

                So you don't know the difference between European and African?

                I wanna be a eunuchs developer! Pass me a bread knife!

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                • M Mark_Wallace

                  Marc Clifton wrote:

                  My birthday (month, day, not year) is the same as Bill Clinton's.

                  So you don't know the difference between European and African?

                  I wanna be a eunuchs developer! Pass me a bread knife!

                  M Offline
                  M Offline
                  Mark_Wallace
                  wrote on last edited by
                  #27

                  25th July, btw. And a quick head reckoning says that it's 39-40 people for an evens chance. Of course, it's 6.30 am, here, so my arithmetic might not be all that it can be.

                  I wanna be a eunuchs developer! Pass me a bread knife!

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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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                    Jwalant Natvarlal Soneji
                    wrote on last edited by
                    #28

                    18th Sept. Anyone? . . . No one... :)

                    Jwalant Natvarlal Soneji, BE IT, India

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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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                      N Offline
                      NandoMan
                      wrote on last edited by
                      #29

                      I believe you are a bit wrong. If you have 366 people, you can guarantee that at least 2 people share birthdays. It´s called "the Pigeonhole principle" http://en.wikipedia.org/wiki/Pigeonhole_principle[^]

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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

                        A Offline
                        A Offline
                        Alan Burkhart
                        wrote on last edited by
                        #30

                        18 January

                        1 Reply Last reply
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                        • M Mike Ellison

                          November 6. If anyone wants to send me a present then, let me know :-)

                          www.MishaInTheCloud.com

                          J Offline
                          J Offline
                          Jorgen Sigvardsson
                          wrote on last edited by
                          #31

                          Yay! Mine's also November 6. :)

                          -- Kein Mitleid Für Die Mehrheit

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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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                            R Offline
                            Reelix
                            wrote on last edited by
                            #32

                            12 June, and all alone...

                            -= Reelix =-

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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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                              cable beach
                              wrote on last edited by
                              #33

                              Actually, i think they share the same month, not the exact date. This is a theory of combinatorics (the pigeon hole principle) rather than probability. In any event: 13th February

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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

                                A Offline
                                A Offline
                                Aamir Butt
                                wrote on last edited by
                                #34

                                20th December

                                Bombing for Peace is like f****ing For Virginity" My Articles

                                1 Reply Last reply
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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

                                  H Offline
                                  H Offline
                                  Hornwood509
                                  wrote on last edited by
                                  #35

                                  7th January

                                  -- For a moment, nothing happened. Then, after a second or so, nothing continued to happen --

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                                  • N NandoMan

                                    I believe you are a bit wrong. If you have 366 people, you can guarantee that at least 2 people share birthdays. It´s called "the Pigeonhole principle" http://en.wikipedia.org/wiki/Pigeonhole_principle[^]

                                    B Offline
                                    B Offline
                                    blackjack2150
                                    wrote on last edited by
                                    #36

                                    The way I know it: If you have 366 people in a room, it's guaranteed (100%) that at least 2 share their birthday, which is obvious. If you have 23 people in a room, it's likely (> 50%) that at least 2 share their birthday, which is not obvious, but it's mathematically proved to be true.

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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
                                      CPallini
                                      wrote on last edited by
                                      #37

                                      19th Jun.

                                      If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler. -- Alfonso the Wise, 13th Century King of Castile.
                                      This is going on my arrogant assumptions. You may have a superb reason why I'm completely wrong. -- Iain Clarke
                                      [My articles]

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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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                                        S Offline
                                        smcnulty2000
                                        wrote on last edited by
                                        #38

                                        June 7. First day of Vestalia.

                                        _____________________________ Will work for ... BRAINS!!! BRAINS!!!!

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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

                                          J Offline
                                          J Offline
                                          Johann Gerell
                                          wrote on last edited by
                                          #39

                                          July 16. When can we se your analysis of this experiment? ;)

                                          -- Time you enjoy wasting is not wasted time - Bertrand Russel

                                          D 1 Reply Last reply
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