A box contains ten bulbs out of which 5 are defective. If five bulbs are chosen at random, find the probability that atleast one bulb is good Options: A) 225/226 B) 225/229 C) 225/228 D) 225/224 E) 251/252
Required probability = 1- 5C5/10C5=1 - 1/252 = 251/252.
Answer:251/252
<result>E</result>
A box contains ten bulbs out of which 5 are defective. If five bulbs are chosen at random, find the probability that atleast one bulb is good