Answer:
S = {PQ, QP, PR, RP, QR, RQ}
P = Pat Q = Quinlan R = Rashad
Now, the teacher is going to draw out of the hat one first, without replacement, and then draw another one. The first one will be the president, and that could be P, Q or R, and the second one is the Vice president, and since one has already being drawn, that could only be two fellows. The total of likely outcomes is PQ,QP, PR, RP, QR, RQ, one paired up with either of the two remaining in the hat.