The origin of this notion is closely related with so called problem of points. It may be explained by the simplest two-person game based on tossing a coin according the following rules In each toss, if the coin comes up heads then the player A gets a point; otherwise the point goes to the player B. The first to get 10 points wins 100 Francs. Suppose the game is interrupted in the moment when A reached 8 while B 7 points. How to divide the winnings?

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Expected Value

  • Czesław Stepniak

摘要

The origin of this notion is closely related with so called problem of points. It may be explained by the simplest two-person game based on tossing a coin according the following rules In each toss, if the coin comes up heads then the player A gets a point; otherwise the point goes to the player B. The first to get 10 points wins 100 Francs. Suppose the game is interrupted in the moment when A reached 8 while B 7 points. How to divide the winnings?