Total no. of bulbs = 35
Defective bulbs = 8
Non-defective = 35 – 8 = 27
Fraction of bulbs that are defective = 8/35
Fraction of bulbs that are non-defective = 27/35.
It is known that a box of 100 electric bulbs contains 8 defeective bulbs. One bulb is taken out at random from the box. What is the probability that the bulb drawn is (i) defective ? (ii) non-defective?