Statistics questions

Statistics
Tutor: None Selected Time limit: 1 Day

mean of 5.82 standard deviation 0.03 millimeters find e two diameters that separate the top 9 and the bottom 9%. Find answer to nearest hundredth if necessary 

Mar 4th, 2015

To find the value at p = 0.09:

norminv ( p=0.09, mean = 5.82, sd = 0.03 ) = 5.78

And at p = 0.91:

norminv ( p=0.91, mean = 5.82, sd = 0.03 ) = 5.86

These two values separate the bottom 9% (p = 0.09) and top 9% (p = 0.91).

Mar 3rd, 2015

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