Mathematics, 03.12.2021 02:10, jeffyisdrunk

A bag contains five Gold marbles, seven silver marbles and 23 black marbles. The rules of the game are as follows: you randomly select one marble from the bag. If it is gold you win six dollars, if it is silver you win two dollars. It costs one dollar to play. What is your expected profit or loss if you play the game?

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A bag contains five Gold marbles, seven silver marbles and 23 black marbles. The rules of the game a...