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1. |
A box contains 10 bulbs,of which just three are defective. If a random sample of five bulbs is drawn, find the probability that the sample contains exactly one defective bulb. |
A. | 5/12 |
B. | 7/12 |
C. | 3/14 |
D. | 1/12 |
Answer» B. 7/12 | |