AP EAPCET 07-Jul-2022 Shift 1 Paper

In a toy factory, the machines A,B and C are used to manufacture 30%,40% and 30% of the output, respectively. The probabilities of toys made by machines A,B, and C to be defective are respectively 2%,3% and 1%. A toy is taken from the factory and is found to be defective. The probability that it was manufactured by the machine B is