Suppose that the mean score of 250,000 students on the mathematics part of the SAT is 468 and the standard deviation is 104. Suppose that you make 650 on the SAT mathematics part.
a. How many standard deviations is your score above the mean? How do you do this?
b. What percentage of the students made below this score?
My answer: 96.0%
c. How many of the 250,000 students scored higher than you? The answer key says 10,000 but I got 10,025....How do you do this or is it the rounding?
d. How many of the 250,000 scored at least 800?
The answer key says 250 but I got 176...How do you do this?
104 answers