SOLUTION: A box contains 12 connectors, 9 good and 3 defective. What is the probability of obtaining exactly 2 good and 1 defective connector in drawing 3 parts from the box without replac

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Question 927937: A box contains 12 connectors, 9 good and 3 defective. What is the probability of obtaining
exactly 2 good and 1 defective connector in drawing 3 parts from the box without
replacement?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
12 connectors: 9G, 3def
drawing 3 parts from the box w/o replacement:
P(2G And 1def) = %289C2%29%283C1%29%2F%2812C3%29+=+36%2A3%2F220= .4909 0r 49.09%