3. The Drama club has 23 students on it consisting of 13 singers, 7 dancers and 3 actors. For the school council meeting, 8 members are required to participate. a) Determine the probability that 3 dancers are chosen to go to the meeting. [2A] b) Determine the probability that at least one actor will go to the meeting. [2A] c) What is the expected number of singers that will go to the meeting? [