A shirt manufacturer buys cloth by the 100-yard roll from a supplier. For setting up a control chart to manage the irregularities (e.g... loose threads and tears), the following data were collected from a sample provided by the supplier. SAMPLE IRREGULARITIES cbar Sc UCL LCL 1 1 O Yes O NO 2 6 3 3 4 8 5 4 6 6 7 6 8 2 a. Determine the c. So UCL and LCL for a c-chart with z 2. (Leave no cells blank. Round up any negative LCL value to "0". Round your answers to 2 decimal places.) 9 5 10 8 b. Suppose the next five rolls from the supplier had three, one, four, six, and eight Irregularities. Is the supplier process under control?