In: Statistics and Probability
Companies A, B, and C produce 20%, 30%, and 50%, respectively, of the major appliances sold in a certain area. In that area, 4% of the company A appliances 5 1/2% of the company B appliances, and 1% of the company C appliances need service within the first. year. Suppose a. defective appliance is chosen. at. random; find the probability that it was manufactured by Company B.