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The game of dots is played by rolling a fair die and receiving $1 for each dot showing on the top face of the die. What cost should be set for each roll if the game is to be considered a fair game?

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  1. The expected value of throwing the die is..

    1/6(1+2+3+4+5+6)=21/6 dollars. That is the fair cost of playing the game.

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