CONCEPT PRACTICE
Sampling acceptance thresholds
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Q58. The horizontal and vertical axes of an Operating Characteristic (OC) curve in quality management generally represent the percent defective of a lot and the success rate of a lot, respectively. Samples of size n are extracted from a lot of size N. When the number of defective samples is less than or equal to the pass quantity C, the lot is considered to have passed; otherwise, it is considered to have failed. Which of the following is a diagram that shows the trend of change in the OC curve when N and n are fixed and C takes the values 0, 1, and 2?
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Source: 2025A_FE-A_Questions.pdf, PDF page 25. ID: 2025A-A-Q058. Explanation written for this textbook.