Transcript Document

2-14
Jen Sites
A student taking Management Science 301 at East Haven
University will receive one of the five possible grades for the
course: A, B, C, D, or F. The distribution of grades over the past
two years is as follows:
Grades
A
B
C
D
F
Number of Students
80
75
90
30
25
total 300
1.
If this past distribution is a good indicator of future grades, what is
the probability of a student receiving a C in the course?
Grades
A
B
C
D
F
Number of Students
80
75
90
30
25
total 300
Probability
(80/300) = .266 or .27
(75/300) = .25
(90/300) = .30
(30/300) = .10
(25/300) = .08
1.0
2
The probability that a student will receive a C in the course is 30%.