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On a recent statistics test, the average grade came out to be 52 with an SD of 8. The scores follow the normal curve. You get your test back, and got a 64. Estimate what percentage your grade falls under. 1.5% 12% 93% 95% 68

You may use the calculator above and this area as scratch paper. To see the solution just click on the button.

Carlos Rodriguez <carlos@math.albany.edu>

This problem was contributed by a student in Elementary Statistics. It is offered as it is with no warranty of any kind
Last modified: Wed May 13 12:29:11 EDT 1998