Question

the program you're applying to requires you get the 90th percentile in thier standardized test . the mean score for those taking it is 747 and its scores are normally distributed with a standard deviation of 77.

1) what must you score on the test to be admitted into your program?

2) at what percentile is your friend who scored 850?

3) if 1000 people take the test how many people lay between your score and your friend's?

Answer 1