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March 28, 2017

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California residents received coupons for free lotto tickets. In order to win the jackpot, you have to correctly guess all 6 numbers drawn from a pool of 36. What is the expected value of the free Lotto ticket if the jackpot is $8,000,000 and there is no splitting the prize?

  • Math - ,

    The number of 6-number choices from 36 is
    C(36,6) = 1947792
    of course, only one of these will be the correct one
    Prob of winning choice = 1/1947792

    expected value = (1/1947792)(8000000) = appr 4.107

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