The lower and upper control limits set for the p-chart should, respectively, be

Question

In a manufacturing process, 24 samples each of size 50 items were inspected and a total of 52 defective items were observed. The lower and upper control limits set for the p-chart should, respectively, be                                                                                                                                                                   

      (a) (0.043, 0.12)                                                 (b) (–0.043, 0.086)

      (c) (–0.043, 0.10)                                               (d) (0, 0.13)