Question: An inspector reported a total of 18 detects out of a total batch size of 250 parts. On closer examination, It was determined that five of these reported defects were in fact good pieces, whereas a total of nine defective units were undetected by the inspector. What is the in 4-lector accuracy in this instance? Specifically, what are the values of
(a) p1,
(b) p2, and
(c) A?
(d) What was the true fraction defect rate q?