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Math Help - Crossword puzzle help

  1. #1
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    Crossword puzzle help

    A crossword puzzle is published in px"the times" each day of the week except Sunday. A man is able to complete on average 8 out 10 of the crossword puzzles. Find to 3.s.f, the probability that, in a period of four weeks, he completes 4 or fewer crossword puzzles in only one of the four weeks. Could someone provide the working for the answer? I'm new here so thanks alot

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  2. #2
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    Re: Crossword puzzle help

    what is the destibution of your random variable?
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