I'll take Math for 10 points, Bob.

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  • Justin7
    SBR Hall of Famer
    • 07-31-06
    • 8577

    #1
    I'll take Math for 10 points, Bob.
    There are two minutes left in the game, the visitor is down 8 points and driving from its own 40 yard line.

    If the visitor has a 30% change of scoring a TD before time runs out;
    if they convert 40% of all 2-point conversion attempts,
    the home team has a 7% chance of scoring in regulation if the visitor scores, and
    the home team wins 51% of the time in overtime

    What is the fair moneyline for a bet placed on the home team with 2 minutes left? (Not a trick question; just focus on the math.)
  • SamsNCharge99
    SBR Aristocracy
    • 10-22-08
    • 41242

    #2
    i need the points, so I'll play

    what is -210 Bob
    Comment
    • smitch124
      SBR Posting Legend
      • 05-19-08
      • 12566

      #3
      +833
      Comment
      • JoshW
        SBR MVP
        • 08-10-05
        • 3431

        #4
        -1730
        Comment
        • ABEHONEST
          SBR Hall of Famer
          • 06-27-09
          • 9470

          #5
          Home team 1/15 Fav. !
          Comment
          • Matt Rain
            SBR Hall of Famer
            • 02-13-07
            • 5001

            #6
            Originally posted by smitch124
            +833
            Originally posted by JoshW
            +1730
            Home team is leading by 8, unless I'm missing something?

            My very approximative math gives me -956, but I'm sure it's wrong.
            Comment
            • smitch124
              SBR Posting Legend
              • 05-19-08
              • 12566

              #7
              oh my price was for the visiting team, so -833 would be for the home team...
              Comment
              • pavyracer
                SBR Aristocracy
                • 04-12-07
                • 82905

                #8
                What's the probability that the home team will deflect the Hail Mary pass to the hands of an opposing receiver for the TD?
                Comment
                • JoshW
                  SBR MVP
                  • 08-10-05
                  • 3431

                  #9
                  Took me three times to get it right. Finally a math question easy enough, that I have a chance at it.
                  Comment
                  • JoshW
                    SBR MVP
                    • 08-10-05
                    • 3431

                    #10
                    Yeah, matty I switched my answer three times,LOL. I read it wrong, I put up visitor price instead of home team price.
                    Comment
                    • JoshW
                      SBR MVP
                      • 08-10-05
                      • 3431

                      #11
                      .3*.4*.93*.49 = road team percentage chance 5.468%

                      So fav is 94.53% and moneyline of -1730.
                      Comment
                      • ABEHONEST
                        SBR Hall of Famer
                        • 06-27-09
                        • 9470

                        #12
                        WHAT ??
                        Comment
                        • magynuck
                          SBR Wise Guy
                          • 09-17-09
                          • 891

                          #13
                          It is a trick question. Two minutes left and 40 yardline are irrelevant. I need to know 1. if the home team scores what is probability of visitors scoring to win or tie 2. probability of the home team turning the ball over after visitors score
                          Comment
                          • smitch124
                            SBR Posting Legend
                            • 05-19-08
                            • 12566

                            #14
                            I don't know why I didn't treat the OT as another independent event , still too early here.
                            Comment
                            • Justin7
                              SBR Hall of Famer
                              • 07-31-06
                              • 8577

                              #15
                              Nice job Josh. The point is... there's a ton of value in live betting if you back the team that is up at the end. You'll often see this scenario horribly mispriced.
                              Comment
                              • Matt Rain
                                SBR Hall of Famer
                                • 02-13-07
                                • 5001

                                #16
                                Crap, I messed up the probability of OT. Your answer sounds about right JoshW, I now get -1727.
                                Comment
                                • durito
                                  SBR Posting Legend
                                  • 07-03-06
                                  • 13173

                                  #17
                                  i got 94.96%

                                  always **** something up
                                  Comment
                                  • magynuck
                                    SBR Wise Guy
                                    • 09-17-09
                                    • 891

                                    #18
                                    I got 5.4684% probability on visitors making the assumptions Justin intended.
                                    Comment
                                    • ABEHONEST
                                      SBR Hall of Famer
                                      • 06-27-09
                                      • 9470

                                      #19
                                      My odd's are astronomical ...trying to figure where, in this World of gambling,you get those estimated odds ?

                                      I would say I am a 25,000/to 1 underdog ?
                                      Comment
                                      • mathdotcom
                                        SBR Posting Legend
                                        • 03-24-08
                                        • 11689

                                        #20
                                        The correct answer is:

                                        Drop out of [law] school and fill up a new whiteboards trying to figure it out
                                        Comment
                                        • illmatick
                                          SBR Hall of Famer
                                          • 01-05-09
                                          • 5456

                                          #21
                                          ask me another one, I wasn't ready!!
                                          Comment
                                          • konck
                                            SBR Posting Legend
                                            • 10-17-06
                                            • 12554

                                            #22
                                            -1390
                                            Comment
                                            • 20Four7
                                              SBR Hall of Famer
                                              • 04-08-07
                                              • 6703

                                              #23
                                              Originally posted by durito
                                              i got 94.96%

                                              always **** something up
                                              LOL my quick math got me 94.12.....
                                              Comment
                                              • hoopster42
                                                Restricted User
                                                • 02-12-08
                                                • 6099

                                                #24
                                                who cares. math is overrated in sports wagering. if math counted for anything significant in sports betting, then mathematicians and statisticians would be getting rich on it. again, math in sports is overrated, it is much more an art to find winners than a science
                                                Comment
                                                • yisman
                                                  SBR Aristocracy
                                                  • 09-01-08
                                                  • 75682

                                                  #25
                                                  Originally posted by Justin7
                                                  There are two minutes left in the game, the visitor is down 8 points and driving from its own 40 yard line.

                                                  If the visitor has a 30% change of scoring a TD before time runs out;
                                                  if they convert 40% of all 2-point conversion attempts,
                                                  the home team has a 7% chance of scoring in regulation if the visitor scores, and
                                                  the home team wins 51% of the time in overtime

                                                  What is the fair moneyline for a bet placed on the home team with 2 minutes left? (Not a trick question; just focus on the math.)
                                                  Chances of 8 points for visitors to tie the game = 12%
                                                  7% of this 12%, the home team scores again and wins in regulation.

                                                  11.16% of the time, it goes into OT.

                                                  51% of that is won by the home team.

                                                  Thus, 5.6916% of the time, the visitor wins.

                                                  94.3084% of the time, the home team wins


                                                  The trusty Odds Converter says that a fair ML for the home team would be -1577.29.

                                                  Typically, you can get the home team in such a scenario at a far better price.
                                                  [quote=jjgold;5683305]I win again like usual
                                                  [/quote]

                                                  [quote=Whippit;7921056]miami won't lose a single eastern conference game through end of season[/quote]
                                                  Comment
                                                  • ZXCVBNM
                                                    SBR MVP
                                                    • 09-17-08
                                                    • 1027

                                                    #26
                                                    Except yesterday when the Giants were 1 down 1st and 20 on their own 15
                                                    Comment
                                                    • yisman
                                                      SBR Aristocracy
                                                      • 09-01-08
                                                      • 75682

                                                      #27
                                                      Originally posted by hoopster42
                                                      who cares. math is overrated in sports wagering. if math counted for anything significant in sports betting, then mathematicians and statisticians would be getting rich on it.
                                                      False.
                                                      [quote=jjgold;5683305]I win again like usual
                                                      [/quote]

                                                      [quote=Whippit;7921056]miami won't lose a single eastern conference game through end of season[/quote]
                                                      Comment
                                                      • yisman
                                                        SBR Aristocracy
                                                        • 09-01-08
                                                        • 75682

                                                        #28
                                                        Originally posted by ZXCVBNM
                                                        Except yesterday when the Giants were 1 down 1st and 20 on their own 15
                                                        completely different situation than the one outlined in the first post.

                                                        The Giants had a much better chance of winning than the visiting team in Justin's scenario.
                                                        [quote=jjgold;5683305]I win again like usual
                                                        [/quote]

                                                        [quote=Whippit;7921056]miami won't lose a single eastern conference game through end of season[/quote]
                                                        Comment
                                                        • durito
                                                          SBR Posting Legend
                                                          • 07-03-06
                                                          • 13173

                                                          #29
                                                          Giants were less than +200 before the last drive at pinnacle I believe. Though I picked up a +210 elsewhere --- unfortunately I had more on Dallas at +200 (some books are really dumb)
                                                          Comment
                                                          • durito
                                                            SBR Posting Legend
                                                            • 07-03-06
                                                            • 13173

                                                            #30
                                                            Originally posted by hoopster42
                                                            who cares. math is overrated in sports wagering. if math counted for anything significant in sports betting, then mathematicians and statisticians would be getting rich on it.
                                                            Who is to say some aren't?
                                                            Comment
                                                            • pokernut9999
                                                              SBR Posting Legend
                                                              • 07-25-07
                                                              • 12757

                                                              #31
                                                              Do the odds change if JJ Gold already has a bet on the home team ?
                                                              Comment
                                                              • 20Four7
                                                                SBR Hall of Famer
                                                                • 04-08-07
                                                                • 6703

                                                                #32
                                                                Originally posted by durito
                                                                Who is to say some aren't?
                                                                I believe Dr. Bob's getting rich and he isn't even betting.
                                                                Comment
                                                                • durito
                                                                  SBR Posting Legend
                                                                  • 07-03-06
                                                                  • 13173

                                                                  #33
                                                                  Originally posted by 20Four7
                                                                  I believe Dr. Bob's getting rich and he isn't even betting.
                                                                  Yep, though I'd say Dr. Bob's been well beyond rich for quite sometime.
                                                                  Comment
                                                                  • 20Four7
                                                                    SBR Hall of Famer
                                                                    • 04-08-07
                                                                    • 6703

                                                                    #34
                                                                    Originally posted by pokernut9999
                                                                    Do the odds change if JJ Gold already has a bet on the home team ?
                                                                    Yes pokernutt. That's when the books hit the doom switch and all the odds go out the window. Visualize JJ sitting in his tin foil hat hoping to cash that winner when all of a sudden the books hit the switch and JJ loses his lock.
                                                                    Comment
                                                                    • durito
                                                                      SBR Posting Legend
                                                                      • 07-03-06
                                                                      • 13173

                                                                      #35
                                                                      Originally posted by Justin7
                                                                      Nice job Josh. The point is... there's a ton of value in live betting if you back the team that is up at the end. You'll often see this scenario horribly mispriced.
                                                                      The math isn't hard, but getting the % estimates in the first place is a bit more difficult. Perhaps you should do a live betting video, or perhaps not.
                                                                      Comment
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