Question

In a bag, there are 100 bulbs out of which 30 are defective ones. A bulb is taken out of the bag

at random. Find the probability of the selected bulb to be a good one.​

Answer 1

Answer:  Step-by-step explanation: Total number of bulbs = 100  Defective bulbs in total = 30  Total number of good bulbs = 100 - 30                                                 = 70 As a result Probability of the selected bulb to be good = 70/100 = 7/10 .