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Math Help - [SOLVED] Normal Curve

  1. #1
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    [SOLVED] Normal Curve

    Question 1:
    sd 7.263
    mean 19.5
    The normal approximation of 70 draws with replacement from this box is at least 1419 is...?


    I got it: 18.9%.
    Last edited by Starry; July 30th 2009 at 08:56 PM.
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  2. #2
    Grand Panjandrum
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    Quote Originally Posted by Starry View Post
    Question 1:
    sd 7.263
    mean 19.5
    The normal approximation of 70 draws with replacement from this box is at least 1419 is...?


    I got it: 18.9%.
    I make it 18.7%

    CB
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