Vraag 5. Bearingo, Inc. manufactures stainless steel ball bearings 25 mm in diameter. A tolerance of 6 mm above or below 25 mm is acceptable to customers. The mean and standard deviation of the manufacturing process (assuming normal distribution) are calculated to be 28 mm and 2 mm, respectively. Calculate the sigma level of this process? Sigma Levels and DPMOs Sigma Level DPMO 690,000 308,000 6.210 233 3.4 Vraag 6. Calculate the correct Capability Ratio LSL USL 44 50 56 62 44 50 56 62 44 50 56 63 O =2 38 44 50 56 62 38 44 50 56 62 65