The table shows the number of absences a class of college students

had this semester:

(Classes) (f)

# Absences # students

1 2

2 4

3 11

4 8

5 5

A. What type of a distribution is shown above?

B. Compute a probability distribution from the above data.

C. Draw a histogram of the probability distribution.

D. What is the probability that a student missed at least 3 classes?

E. What is the probability that a student missed at most 3 classes?

F. Compute the expected value for the number of missed classes

in a given semester.

G. The professor believes that on average a student will miss three

classes per semester. Is she correct?