An analyst will recommend a combination of 3 industrial stocks, 2 transportation stocks, and 2 utility stocks. If the analyst can choose from 4 industrial stocks, 5 transportation stocks, and 3 utility stocks, how many different combinations of 7 stocks are possible?
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Options:
(A) 12
(B) 19
(C) 60
(D) 180
(E) 720 Now, let's think a bit. Some random thoughts:
user
4C3 * 5C2 * 3C2 = 4*60*3 = 720.
The final answer: (E).
assistant