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shaqadry

  • 2 years ago

on the shelf there are 4 mathematic books and 8 english books. what is the probability that all the mathematics books will not be together? (ans: 54/55) please explain! i dont understand thos topic very well.

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  1. baldymcgee6
    • 2 years ago
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    1 - the probability of the math books being together = the probability of the math books NOT being together

  2. baldymcgee6
    • 2 years ago
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    _ _ _ _ _ _ _ _ _ _ _ _

  3. baldymcgee6
    • 2 years ago
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    there are 12 spots that need to be filled

  4. shaqadry
    • 2 years ago
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    and then?

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