A box contains nine bulbs out of which 4 are defective. If four bulbs are chosen at random, find the probability that at least one bulb is good.
A. 6/63
B. 2/63
C. 125/126
D. 1/126
E. 1/63
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Answered by
1
Answer:
1/126 means the 4th alternative is correct
Answered by
4
(c) 125/126
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