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.

Answer 1

there were 45 people with an A out of a total of 600 students. which makes the probability that Jane receives an A 45/600

Answer 2

prob(a)/sum of all nums=
45/600=3/40