. a factory manufactures widgets using three machines, a, b, and c. of the total output, machine a is responsible for 30%, machine b for 20%, and machine c for the rest. it is known from previous experience with the machines that 10% of the output from machine a is defective, 5% from machine b, and 3% from machine c. a bolt is chosen at random from the production line and found to be defective. what is the probability that it came from machine a? round your final answers to three decimal places. Get the answer
Category: computerinformation | Author: Abraham Uilleam