A bag contains 1 gold marbles 10 silver marbles and 30 black marbles Someone offers...
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A bag contains 1 gold marbles 10 silver marbles and 30 black marbles Someone offers to play this game You randomly select one marble from the bag If it is gold you win 3 If it is silver you win 2 If it is black you lose 1 What is your expected value if you play this game

A bag contains 1 gold marbles 10 silver marbles and 30 black marbles Someone offers to play this game You randomly select one marble from the bag If it is gold you win 3 If it is silver you win 2 If it is black you lose 1 What is your expected value if you play this game
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