Give a quick stream of consciousness before answering the following question. What is the probability that Company E's advertisement will be one of the first two be shown during the first commercial break?
Options:
(A) 1/ 225
(B) 1 / 30
(C) 1 /15
(D) 2 / 15
(E) 4 /15
E 1/15 + (14/15) * 1/14 = 2/15
The answer: (D).