What's the probability a capper wins 69% of the time, capping 300 NBA totals?

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  • rake922
    SBR Posting Legend
    • 12-23-07
    • 11692

    #1
    What's the probability a capper wins 69% of the time, capping 300 NBA totals?
    Just asking for everyone's opinion.....

    What's the probability a capper wins 69% of the time, capping 300 NBA totals?

    That would be 207 Wins-93 Losses
  • durito
    SBR Posting Legend
    • 07-03-06
    • 13173

    #2
    I'm not sure I understand the question.


    Are you asking what is the probability that a handicapper achieved such results via chance?
    Comment
    • rake922
      SBR Posting Legend
      • 12-23-07
      • 11692

      #3
      Originally posted by durito
      I'm not sure I understand the question.


      Are you asking what is the probability that a handicapper achieved such results via chance?
      Yes.
      Comment
      • durito
        SBR Posting Legend
        • 07-03-06
        • 13173

        #4
        .000000004648%
        Comment
        • rake922
          SBR Posting Legend
          • 12-23-07
          • 11692

          #5
          Originally posted by durito
          .000000004648%
          ok

          did you use math? or is that a guess?
          Comment
          • curious
            Restricted User
            • 07-20-07
            • 9093

            #6
            Originally posted by rake922
            ok

            did you use math? or is that a guess?
            If Durito gave you a fact it was not a guess.
            Comment
            • Ganchrow
              SBR Hall of Famer
              • 08-28-05
              • 5011

              #7
              The probability of achieving 207 or more wins over 300 50/50 trials can be found in Excel using the BINOMDIST() function.
              =BINOMDIST(300-207,300,50%,1)

              This works out to be roughly 0.000000002007%.

              I'm sure Durito probably just made a silly mechanical error in his computations. I do it all the time.
              Comment
              • durito
                SBR Posting Legend
                • 07-03-06
                • 13173

                #8
                more likely would be that i don't have the faintest idea what i'm doing
                Comment
                • imgv94
                  SBR Posting Legend
                  • 11-16-05
                  • 17192

                  #9
                  If someone is hitting 69% they are getting lucky.
                  Comment
                  • rake922
                    SBR Posting Legend
                    • 12-23-07
                    • 11692

                    #10
                    I appreciate the mathematical feedback ...

                    Now what about somebody that isn't flipping a coin to determine over or under the NBA total.. (This is more of your opinion)
                    Comment
                    • Ganchrow
                      SBR Hall of Famer
                      • 08-28-05
                      • 5011

                      #11
                      Originally posted by rake922
                      I appreciate the mathematical feedback ...

                      Now what about somebody that isn't flipping a coin to determine over or under the NBA total.. (This is more of your opinion)
                      A 50% picker would have a 0.000000002007% probability of picking 207 or more correctly out of 300.
                      A 51% " " " " 0.00000001909% " " " " " " " " " ".
                      A 52% " " " " 0.000000161674% " " " " " " " " " ".
                      A 53% " " " " 0.000001221335% " " " " " " " " " ".
                      A 54% " " " " 0.000008241807% " " " " " " " " " ".
                      A 55% " " " " 0.000049744189% " " " " " " " " " ".
                      A 56% " " " " 0.000268811227% " " " " " " " " " ".
                      A 57% " " " " 0.001301701435% " " " " " " " " " ".
                      A 58% " " " " 0.00565245989% " " " " " " " " " ".
                      A 59% " " " " 0.022022618924% " " " " " " " " " ".
                      A 60% " " " " 0.077019911464% " " " " " " " " " ".
                      A 61% " " " " 0.241885327829% " " " " " " " " " ".
                      A 62% " " " " 0.682427902645% " " " " " " " " " ".
                      A 63% " " " " 1.730403082811% " " " " " " " " " ".
                      A 64% " " " " 3.946099891877% " " " " " " " " " ".
                      A 65% " " " " 8.101421846557% " " " " " " " " " ".
                      A 66% " " " " 14.997608696% " " " " " " " " " ".
                      A 67% " " " " 25.097607444108% " " " " " " " " " ".
                      A 68% " " " " 38.109693280523% " " " " " " " " " ".
                      A 69% " " " " 52.801667294708% " " " " " " " " " ".
                      A 70% " " " " 67.278804121894% " " " " " " " " " ".
                      A 71% " " " " 79.668423081342% " " " " " " " " " ".
                      A 72% " " " " 88.826852675161% " " " " " " " " " ".
                      A 73% " " " " 94.63801137474% " " " " " " " " " ".
                      A 74% " " " " 97.780742836335% " " " " " " " " " ".
                      A 75% " " " " 99.217757517295% " " " " " " " " " ".
                      A 76% " " " " 99.768251377417% " " " " " " " " " ".
                      A 77% " " " " 99.943097748172% " " " " " " " " " ".
                      Comment
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