The average Math SAT score for a certain year was 540 with a standard deviation of 60

The average Math SAT score for a certain year was 540 with a standard deviation of 60. Assume that the distribution follows the normal curve. a) Find the percentage of students who scored higher than 650. b) Find the percentage of students who scored between 480 and 700. c) Suppose that a student scored higher than 80% of the student population. What was his score?

(12 pts) Consider the complete histogram below containing the hourly rate of substitute teachers in a certain
district. 30 20 20 X % per $10 10 10 0 JT W 4 6 N