A product is shipped in lots of size N = 2,000. Find a Dodge–Romig single-sampling plan for which the LTPD = 1%, assuming that the process average is 0.25% defective. Draw the OC curve and the ATI curve for this plan. What is the AOQL for this sampling plan?
Answer to relevant QuestionsConsider the chemical process yield data in Exercise 3.9. Calculate the sample average and standard deviation. We wish to find a single-sampling plan for a situation where lots are shipped from a supplier. The supplier’s process operates at a fallout level of 0.50% defective. We want the AOQL from the inspection activity to be 3%. ...Draw the type-B OC curve for the single-sampling plan n = 100, c = 2. A ChSP-1 plan has n = 4, c = 0, and i = 3. Draw the OC curve for this plan. A standard of 0.3 ppm has been established for formaldehyde emission levels in wood products. Suppose that the standard deviation of emissions in an individual board is σ = 0.10 ppm. Any lot that contains 1% of its items ...
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