Statistics Equation Sheet In a manufacturing plant, three machines A, B, and C produce 45 %, 35%, and 20%, respectively, of the total parts production. The company's quality control department determined that 1.5 % of the parts produced by machine A, 2 % of the parts produced by machine B, and 1 % of the parts produced by machine C are defective. If a part is selected at random and found to be defective, what is the probability that it was produced by machine A