Assuming that a 15:3:1 demerit weighting system is used, determine the central line and control limits when uc = 0.3, uma = 0.4, umi = 5, and n = 100. If the subgroup inspection results for a particular day are 35 critical, 50 major, and 600 minor nonconformities, determine if the results are in control or out of control. Show your work.

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Q: Could you explain step by step the solution? Thank you.

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Lean Production

The word lean refers to the “slim “that is used in manufacturing for the systematic designing that focuses on minimizing the waste in the manufacturing or production with the constant productivity of the operation. Lean manufacturing was rooted from Toyota Production system a Japanese manufacturing company that works on the approach of minimizing the non-value-added activities and making the production lean.