Question

it is known that a box of 100 electric bulb contain 8 defective bulb.The bulb what is the probability that bulb drawn is (a) defective (b) non defective

Answer 1

Probability of drawing a defective is 8/100

Probability of drawing a non defective is 96/100

Answer 2

Total bulbs = 100
Defective bulbs = 8
Non defective bulbs = 100 - 8 = 92
so probability of defective bulbs = 8/100
probability of non defective bulbs = 92/100

Hope it is rightttt.....