Asked by Maxwell

At a high school, GPA’s are normally distributed with a mean of 2.6 and a standard deviation of 0.5. What percentage of students at the college have a GPA between 2.1 and 3.1?
Answered by Steve
you can play around with Z table stuff at

http://davidmlane.com/hyperstat/z_table.html

It's a handy tool.
Answered by Anonymous
2.5
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