Question

This probability distribution shows the

typical grade distribution for a Geometry
course with 35 students.
Grade
A B
C D F
Frequency 5
10
15
3
2
Find the probability that a student earns a
grade of B or C.
p = [?]

Answer 1

Explanation:

5+10+15+3+2 = 35
25/35
25/35 =0.714285714
so 71.4% ---> 71%
Or in decimal form 0.71