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  3. To test a theory. (Shared Birthdays)

To test a theory. (Shared Birthdays)

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  • C Chris Quinn

    You would need 367 if one of the people in the room was my younger brother - 29th Feb

    ==================================== Transvestites - Roberts in Disguise! ====================================

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    blackjack2150
    wrote on last edited by
    #47

    Chris Quinn wrote:

    You would need 367 if one of the people in the room was my younger brother - 29th Feb

    Or my former boss.

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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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      AndyStephens
      wrote on last edited by
      #48

      The probability of at least two people sharing the same birthday is 0.5073. Yay, I've found a use for Wolfram Alpha! http://www04.wolframalpha.com/input/?i=same+birthday&f1=23&f=BirthdayProblem.n_23&x=5&y=9[^]

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      • A AndyStephens

        The probability of at least two people sharing the same birthday is 0.5073. Yay, I've found a use for Wolfram Alpha! http://www04.wolframalpha.com/input/?i=same+birthday&f1=23&f=BirthdayProblem.n_23&x=5&y=9[^]

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        blackjack2150
        wrote on last edited by
        #49

        That crashed my IE8.

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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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          Dan_Martin
          wrote on last edited by
          #50

          9th May

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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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            ormonds
            wrote on last edited by
            #51

            10 Dec

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            • L Lost User

              Trafalgar Day. (that might make some scratch their heads!)

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              ormonds
              wrote on last edited by
              #52

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

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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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                John Oxley
                wrote on last edited by
                #53

                16th of August

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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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                  0x3c0
                  wrote on last edited by
                  #54

                  July 19th. There's that theory broken ;P

                  Between the idea And the reality Between the motion And the act Falls the Shadow

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                  • O ormonds

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

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                    Lost User
                    wrote on last edited by
                    #55

                    No. http://www.bbc.co.uk/history/british/empire_seapower/launch_ani_trafalgar.shtml[^]

                    modified on Wednesday, August 5, 2009 5:37 AM

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                    • O ormonds

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

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                      The Real Geek
                      wrote on last edited by
                      #56

                      Hmm, 21st I think, which is a shame because it would have matched mine - 30th Oct :-)

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                      • T The Real Geek

                        Hmm, 21st I think, which is a shame because it would have matched mine - 30th Oct :-)

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                        Lost User
                        wrote on last edited by
                        #57

                        The Real Geek wrote:

                        21st I think

                        :thumbsup:

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                        • 0 0x3c0

                          July 19th. There's that theory broken ;P

                          Between the idea And the reality Between the motion And the act Falls the Shadow

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                          sthotakura
                          wrote on last edited by
                          #58

                          19 July

                          Cheers, Suresh

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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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                            rabryst
                            wrote on last edited by
                            #59

                            I know two Dylans born on the same day in the same year, and who know each other: 3 May 1977.

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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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                              Pheadjack
                              wrote on last edited by
                              #60

                              Nov 29th :) so close to Christmas that my B-day gifts and Christmas gifts were often part of a 'set'. sigh...

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                              • J JDL EPM

                                Oakman wrote:

                                Jun 10

                                Does it count if this is my wife's birthday?

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                                Oakman
                                wrote on last edited by
                                #61

                                JDL-EPM wrote:

                                Does it count if this is my wife's birthday?

                                If she has a little bit of luck, she'll never be forced to share a room with me - even a waiting room as an airport, so probably not.

                                Jon "One loves to possess arms, though they hope never to have occasion for them." --Thomas Jefferson to George Washington, 1796. Soap Box 1.0: the first, the original, reborn troll-less

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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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                                  pughjl
                                  wrote on last edited by
                                  #62

                                  March 31st

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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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                                    yesu prakash
                                    wrote on last edited by
                                    #63

                                    OCT 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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                                      Dan Neely
                                      wrote on last edited by
                                      #64

                                      what part of NO TEXT don't you understand. wait, my hypocrisy's showing? :doh:

                                      The European Way of War: Blow your own continent up. The American Way of War: Go over and help them.

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                                      • J Jwalant Natvarlal Soneji

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

                                        Jwalant Natvarlal Soneji, BE IT, India

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                                        dreamaway820
                                        wrote on last edited by
                                        #65

                                        Mine is the 19th of September! :)

                                        The woods are lovely, dark, and deep But I have promises to keep and lines to code before I sleep, and lines to code before I sleep...

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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

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                                          Zhat
                                          wrote on last edited by
                                          #66

                                          Well, have a Cigar... ;P ;P ;P ;P

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