From: Stan Hilliard
Date: 29 Aug 1999
Time: 19:48:44
The manufacturing process might produce a distribution of parts with sparse tails - compared to normal. This would result in the actual percent defective being lower than calculated. You would need to measure a fairly large sample of parts to evaluate this, but it might be useful information.
Sincerely, Stan Hilliard, CQE,CRE,CQA,PE shilliard@samplingplans.com