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A bag contains 1 blue tokens, 6 green tokens, and 28 red tokens. Someone offers to...

A bag contains 1 blue tokens, 6 green tokens, and 28 red tokens. Someone offers to play this game: You randomly select one marble from the bag. If it is blue, you win $3. If it is green, you win $2. If it is red, you lose $1

what is the expected value

math   Statistics-And-Probability   
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Answer #1

Expected value is -0.3714

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