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Chebychev's Theorem

  1. Jan 28, 2009 #1
    1. The problem statement, all variables and given/known data

    Chebychev's Theorem: Old Faithful is a famous geyser at Yellowstone National
    Park. From a sample with n = 32, the mean duration of Old Faithful's eruptions is
    3.32 minutes and the standard deviation is 1.09 minutes. Using the Chebychev's
    Theorem, determine at least how many of the eruptions lasted between 1.14
    minutes and 5.5 minutes.

    The Book gives 24 as an answer...but I can't figure out how to come up with that.
  2. jcsd
  3. Jan 28, 2009 #2


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    Homework Helper

    How many standard deviations is the data set bound that they want you to account for?
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