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    nclbckr Posts: 1, Reputation: 1
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    #1

    Nov 5, 2012, 08:04 AM
    1 Statistics Q
    The class average on a statistics test is 72% with a standard deviation of 9%. What minimum grade must a student obtain to be in the top 11% of the class?
    For full marks your answer should be accurate to at least one decimal place.

    Minimum grade for the top 11% = ?

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