A box contains THIRTEEN bulbs out of which 6 are defective. If FIVE bulbs are chosen at random, find the probability that atleast one bulb is good	Choose the most appropriate option:
A) 455/451 B) 428/421 C) 427/429 D) 456/489 E) 423/127
Required probability = 1-6427/4295/13427/4295 = 1 - 2/429 = 427/429.
Answer:427/429
<result>C</result>
A box contains THIRTEEN bulbs out of which 6 are defective. If FIVE bulbs are chosen at random, find the probability that atleast one bulb is good