Suppose that the average score on the GMAT exam is 500 and that the standard deviation of all scores is 100 points. You would expect approximately 95% of all GMAT scores to be between
3 answers
95% lie within 1.96 SD of the mean.
ok...i'm still looking for an aswer. be.t 330 and 630 ect?
Let's see. Can you multiply 1.96 by 100 and add/subtract that from 500?
1 answer