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?
Select:
A) 251/252
B) 242/243
C) 258/259
D) 265/266
E) 247/248
Required probability
=1-5C5/10C5
= 1 - 1/252
= 251/252
251/252nswer:251/252
<result>A</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?