Question

Mr. Doodle’s grade distribution over the past 3 years for a course in college algebra is shown in the chart below.
Grade
Number

A
45

B
180

C
210

D
95

F
65

I
5




If Jane plans to take a college algebra course with Mr. Doodle, determine the empirical probability that she receives an A's.

Answer 1

45/600 = 9/120 = 3/40

http://people.hofstra.edu/stefan_waner/realworld/tutorialsf2/frames6_3.html

Answer 2

5m-6=-3+8m