Answer to Question #245597 in Statistics and Probability for Janice

Question

Suppose that a computer chip company has just shipped 10,000 computer chips to a computer company.​ Unfortunately, 20 of the chips are defective.

​(a) Compute the probability that two randomly selected chips are defective using conditional probability.

​(b) The probability that the first randomly selected chip is defective is 2010,000=0.002=0.2%. Compute the probability that two randomly selected chips are defective under the assumption of independent events.