13.8 Reading test scores. A standardized reading test is given to fifth-grade students. Scores on this test are Normally distributed, with a mean of 32 points and a standard deviation of 8 points. When Corey gets his test results, he is told that his score is at the 95th percentile. What does this mean?
(a) Corey’s score is higher than 95% of the students who took this test.
(b) Corey’s score is 48 points.
(c) Corey’s score is exactly two standard deviations above the mean.
(d) All of the above.