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2 June, 14:13

How is it possible for the expected value of a game to be losing 65 cents of the only outcomes are win $2 or lose $1

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  1. 2 June, 15:02
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    Let x be the probability of winning and let y be the probability of losing. Then we can write the following equation:

    2x - y = - 0.65 ... (1)

    the sum of the probabilities of winning and losing must equal 1.

    x + y = 1 ... (2)

    Rearranging (2), gives:

    y = 1 - x ... (3)

    Plugging the expression for y from (3) into (1), we get:

    2x - 1 + x = - 0.65

    which simplifies to:

    3x = 0.35

    Therefore x = 0.117 and y = 0.883.

    The expected value of the game will be a loss of 65 cents if the probability of winning is 0.117 and the probability of losing is 0.883.
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