Questions 13 - 15 Three factories produce light globes to supply the market. Factory A produces 20%, while 50% of the globes are produced in factory B and 30% in factory C. 2% of the globes produced in factory A, 1% of the globes produced in factory B and 3% of the globes produced in factory C are defective. A globe is selected at random in the market Question 13 What is the probability that the globe is defective? a. 0.264 b. 0.060 c. 0.018 d. 0.333 ANS : Question 14 Given that the globe is defective, what is the probability that Factory A produced it? a. 0.222 b. 0.040 c. 0.256 d. 0.877 ANS : Question 15 What is probability, given that the globe is defective, that Factory C produced it? a. 0.278 b. 0.050 c. 0.500 d. 0.778 ANS