Question: 5.93 A quality-control engineer wants to study the alternative sampling plans n 5, a 1 and n 25, a 5. On
5.93 A quality-control engineer wants to study the alternative sampling plans n 5, a 1 and n 25, a 5. On a sheet of graph paper, construct the operating characteristic curves for both plans; use acceptance probabilities at p 0.05, p 0.10, p 0.20, p 0.30, and p 0.40 in each case.
a If you were a seller producing lots with fraction defective ranging from p 0 to p 0.10, which of the two sampling plans would you prefer?
b If you were a buyer wishing to be protected against accepting lots with fraction defective exceeding p 0.30, which of the two sampling plans would you prefer?
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