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Math Help - probability

  1. #1
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    probability

    how many diffferent ways can we arrange 7 people on a ferris wheel that can be seen from both sides?
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  2. #2
    Eater of Worlds
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    Arranging the people on the ferris wheel is like arriaging them around a table, which can be done in (n-1)! ways. Since we can see the ferris wheel from both sides, like a keychain, then we divide by 2.
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