Calculating Z Score for Results

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  • Waterstpub87
    SBR MVP
    • 09-09-09
    • 4102

    #1
    Calculating Z Score for Results
    Say for the purpose of arguement, I had 234 bets, and won 136 of them, translating to a 58.11% win rate. To get a Z score the equation would be .5811-.50/ sqrt of.50*.50/234 giving me a z score of 2.4811. Is this equation correct, or did I miss something?
    Last edited by Waterstpub87; 05-03-12, 02:54 PM.
  • VLR100
    SBR High Roller
    • 01-10-10
    • 217

    #2
    Assuming you're betting at 1 unit per bet, and the probability of winning of 0.5, yes.
    Comment
    • TomG
      SBR Wise Guy
      • 10-29-07
      • 500

      #3
      And that the wagers are uncorrelated with each other
      Comment
      • Waterstpub87
        SBR MVP
        • 09-09-09
        • 4102

        #4
        Thanks for the help, wagers are uncorrelated. Single game totals only.
        Comment
        • hutennis
          SBR Wise Guy
          • 07-11-10
          • 847

          #5
          Originally posted by Waterstpub87
          ...wagers are uncorrelated. Single game totals only.
          But what is the implied probability of winning?
          Comment
          • Waterstpub87
            SBR MVP
            • 09-09-09
            • 4102

            #6
            Originally posted by hutennis
            But what is the implied probability of winning?
            -110 lines. So without further investigation, 50%.
            Comment
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