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 March 5th, 2013, 06:59 AM #1 Newbie   Joined: Mar 2013 Posts: 1 Thanks: 0 Probability Question Hi all, Can't seem to get my head around this, so resorting to this forum. Problem: If I have 2 or 4 or 6/ 8/ 10/ 12 players play in a game, who can make 10 bets each (with 50/50) success rates. 10 points for Correct bet, -5 points for Incorrect bet And each player makes all 10 bets... How often is it likely that 2 players tie in 1st place if there were, as mentioned above, 2 or 4 or 6/ 8/ 10/ 12 players play in a game. Can one please give workings with brief explanations? (If you find it easier to explain using excel sheet, that will work great!) Hoping a maths guru to solve the problem fast!! Thanks a ton, Dex
 March 5th, 2013, 08:28 PM #2 Global Moderator   Joined: Dec 2006 Posts: 20,934 Thanks: 2208 For two players, there is a tie when they have the same number of winning bets. What is the probability they each have no winning bets? What is the probability they each have one winning bet?

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