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What is the expected value of the? game

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Reference no: EM131892107

Cant seem to work out this question.

On three rolls of a single? die, you will lose ?$20 if a 2 turns up at least? once, and you will win ?$8 otherwise. What is the expected value of the? game? Let X be the random variable for the amount won on a single play of this game.

Reference no: EM131892107

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