pizza problems?

Question

In a survey given to 16 students, 7 preferred pepperoni pizza, 5 preferred plain cheese and 4 students didn't have a preference.

If three students are selected at random, what is the probability that:

A) All preferred pepperoni?

B) The first student preferred pepperoni and the other two preferred cheese?

C) The first student didn't have a preference, the second student preferred pepperoni and the third student preferred cheese?

D) None of the students preferred cheese?

E) At least 1 of the students selected preferred cheese?

Answer 1