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Math Help - word counting problem

  1. #1
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    word counting problem

    What is the probability of winning a lottery game where the winning number is made up of seven digits from 0 to 9 chosen at random?
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  2. #2
    Junior Member
    Joined
    Oct 2008
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    You can imagine there being 7 "slots." Each of which can hold one of ten different numbers (0-9). Therefore, your probability of winning will be 10^7.
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