Critical Defect Destructive Testing Sampling


Joe Dixon


I have a process here that has highlighted one unit displaying what i would call a critical defect. My lot size is 5,000 and i've put the remainder of the lot on hold.
Testing for this defect is destructive. I can affort to pull 2-300 from the lot for testing but want to present to those above me what level of confidence this will give me in the batch. I will fail the entire batch if another failure is found.

many thanks...

Bev D

Heretical Statistician
Staff member
Super Moderator
a few questions: what was the original sample size? and what defect rate in the lot would you consider to be too high to release?

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