28.7k views
25 votes
Us

This probability distribution shows the
typical grade distribution for a Geometry
course with 35 students.
Grade
А
B
C D F
Frequency
5
10
15
3
2
Find the probability that a student earns a
grade of A, B, or C.
p = [?]
Enter a decimal rounded to the nearest hundredth.

Us This probability distribution shows the typical grade distribution for a Geometry-example-1
User Kiquenet
by
4.0k points

1 Answer

13 votes

Answer:

0.714

Explanation:

P(A or B or C) = P(A) + P(B) + P(C)

=(5/35)+(10/35)+(15/35)

=25/35

=0.714

User Aman Mundra
by
4.3k points