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Posted by on Thursday, April 9, 2009 at 10:41am.

what is the probability of winning a lottery game where the winning number is made of 6digits from 0-9 chosen at random?

i do not undestand how to solve please help

  • math - , Thursday, April 9, 2009 at 11:18am

    It is not just a combination of 10 taken 6 at a time because the digits can be repeated, like 2 2 2 3 3 3
    Also order matters
    what is the chance of the first digit being right?
    then the second one?
    1/10 not 1/9 because we can use the same digit again
    then the third?
    and so on
    (1/10)^6 = one out of a million

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