TS EAMCET 10-Sep-2020 Shift 2 Solved Paper

Four boxes A. B. C and D contain 5000, 3000, 2000 and 1000 fuses respectively. The percentages of defective fuses in these boxes are 3%, 2%, 1% and 0.5% respectively. If a fuse selected at random from one of the boxes is found to be defective, then the probability that it has come from box D is