John’s Planning Service has decided to use quality control methods to make sure that its agents are not giving bad advice to customers. The table below shows the number of incorrect plans for the last thirteen months. John reviews 200 plans per month. SAMPLE 1 2 3 4 5 6 7 8 9 10 11 12 13 Number of incorrect plans 1 2 2 0 2 1 2 0 2 7 3 2 1 a. Determine the upper and lower control limits for the fraction of incorrect plans using two-sigma limits. (Do not round intermediate calculations, and use three decimal places for final answers. Remember the rule about negative LCL's.). UCL LCL b. Is the process in control? Yes No