MATHEMATICS · Single correct · CBSE · Mathematics · Probability · Probability
Problem
A box contains 5 good bulbs and 2 defective bulbs. Three bulbs are drawn one after another without replacement. Given that the first bulb drawn is good, find the probability that at least one of the remaining two bulbs drawn is defective.
(a) 0.71
(b) 0.40
(c) 0.60
(d) 0.57