Consider a sampling plan with n = 40 and c = 1 and given Acceptable quality level (AQL), Lot tolerance percent defective (LTPD), producer's risk (α) and consumer's risk (β). Suppose that c is increased to 2, keeping AQL and LTPD unchanged, producer's risk (α) will
A) Always decrease
B) Always increase
C) Sometime decrease
D) Stay the same
E) None of these choices are correct.

Question

Quizplus · Accepted Answer

Increasing the acceptance number c from 1 to 2 generally allows more defective items in the sample before rejecting the lot, which decreases the producer's risk (α), as it becomes easier for the producer to have their lot accepted.

Consider a Sampling Plan with N = 40 and C