Graduation rates reached a record low in 2001. The percentage of students who graduate within 5 years was 41.9% for public and 55.1% for private colleges. One of the reasons for this might be that 42% of the students attend only part time.

(ACT)

a. What additional information do you need to determine the probability that a student selected at random is part time and will graduate within 5 years?

b. Is it likely that these two events have the needed property? Explain.

c. If appropriate, find the probability that a student selected at random is part time and will graduate within 5 years.