Posted by **grace** on Wednesday, April 25, 2012 at 1:46pm.

On an exam whose scores followed a normal distribution, a student's z-score was

+2.

What percentage of students scored better than he did? (Use the 68-95-99.7 Rule.)

## Answer This Question

## Related Questions

- statistics - For a particular sample of 53 scores on a psychology exam, the ...
- math - Statistics: Analyze student exam scores Students were given an exam with ...
- statistics - For a particular sample of 63 scores on a psychology exam, the ...
- statistics - For a particular sample of 80 scores on a psychology exam, the ...
- statistics - For a particular sample of 63 scores on a psychology exam, the ...
- Statistics - For a particular sample of 63 scores on a psychology exam, the ...
- Statistics - For a particular sample of 63 scores on a psychology exam, the ...
- Statistics - The next three questions refer to the following situation. Data ...
- Stats - For a particular sample of 63 scores on a psychology exam, the following...
- Stats - For a particular sample of 63 scores on a psychology exam, the following...

More Related Questions