A single-sampling plan by attributes is needed for a purchased component. Given the following information, what is the consumer's risk? Table G.1 is appended to this exam. Sample size = 50
Acceptance number (c) = 3
Acceptance quality level (AQL) = 0.01
Lot tolerance proportion defective (LTPD) = 0.04
A) greater than or equal to 0 but less than or equal to 0.25
B) greater than 0.25 but less than or equal to 0.50
C) greater than 0.50 but less than or equal to 0.75
D) greater than 0.75 but less than or equal to 1.00

Question

Quizplus · Accepted Answer

Consumer's risk, often denoted as beta (β), is the risk that a bad lot (at the LTPD level) will be accepted. Without the specific table or formula, it's generally understood that consumer's risk increases as the acceptance number increases or as the difference between AQL and LTPD decreases. Given the parameters (sample size = 50, c = 3, AQL = 0.01, LTPD = 0.04), and without specific values from Table G.1, the risk is typically assumed to be high (greater than 0.75) because the acceptance number allows for a few defects, indicating a willingness to accept lots that are not of high quality.

A Single-Sampling Plan by Attributes Is Needed for a Purchased