A box contains five bulbs out of which 4 are defective. If four bulbs are chosen at random, find the probability that at least one bulb is good?  Choose the correct choice from the following answers.
A) 256/625  B) 1/6  C) 369/625  D) 1/5  E) 4/5
Required probability   = 1 - 256/625   = 369/625   Answer: 369/625
<result>C</result>
A box contains five bulbs out of which 4 are defective. If four bulbs are chosen at random, find the probability that at least one bulb is good?