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Mathematics, 09.11.2021 22:50 amanda2517

A bag contains 5 gold marbles, 10 silver marbles, and 25 black marbles. Someone offers to play this game: You randomly select one marble from the
bag. If it is gold, you win $10. If it is silver, you win $5. If it is black, you lose
$2. What is your expected value if you play this game? Round your answer
to the nearest cent.
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