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Math Help - Variation+Location

  1. #1
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    Post Variation+Location

    Q: With a height of 65 in, George was the shortest of a particular club in the past century. The club presidents of the past century have a mean height of 67.1 in a standard deviation of 1.8 in.
    a. Convert George's height to a Z score.
    b. If we consider "usual" heights to be those that convert to z score between -2 and 2, is George's height usual or unusual?
    Ans:
    a. The z score is __? (Type an integer or decimal rounded to two decimal places as needed)
    b. Is George's height Usual or Unusual? _________
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  2. #2
    MHF Contributor harish21's Avatar
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    where are you stuck?

    Z = \dfrac{X-\mu}{\sigma}
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