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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.

Attachment 23571

not sure why this inserts so small

thanks

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.