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Math Help - Is this Solvable? - Triangular Distribution data set

  1. #1
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    Is this Solvable? - Triangular Distribution data set

    I have the data set below that is assumed to be a right skewed triangular distribution.
    Target time: 43s
    Average time of sample data: 44.85s
    Percent of time longer then 43s: 40%
    Mode: unknown

    I would like to know the % of time longer then 44.85s.

    What is the formula so that I may apply this to my data set? I also have data that has the Average lower than the target, and will need a formula for that too.



    Is this Solvable? - Triangular Distribution data set-tridist2.jpg
    not sure why this inserts so small

    thanks






    Last edited by djharris71; April 11th 2012 at 10:46 AM.
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  2. #2
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    Re: Is this Solvable? - Triangular Distribution data set

    Similar triangles, with respective areas P=0.4 and P=?'. Calculate the coefficient of similarity k, and use the fact that P/P'=k^2.
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