Question

Please solve using mintab, please show all steps

5. A Lean Six Sigma black belt project results in a lower defective rate at the final inspection of a plastic molded component. Thirty days of data presented in the following table. (a) Find the trial p-hat and control limits for the improved process. (b) Design a control chart for future production. 3 of 7 Units Units Units Units Inspected Defective Inspected Defective 200 150 250 150 200 200 250 150 250 150 100 250 200 100 250 16 100 200 200 250 200 200 100 250 200 100 200 250 250 250 250 10 20 23 24 25 26 27 28 29 30 10 12 13 14 15

Answer 1