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Which one of the following statements is not correct?

a. the opererating characteristic curve of an acceptance sampling plan shows the ability of the plan to distinguish between good and bad lots
b. no sampling plan can give complete protection against the acceptance of defective products
c. C charts straightiline limits and U chart has zig-zag limits
d. double sampling results in more inspction than single sapling if the incoming quality is very bad

User Anomareh
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1 Answer

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Step-by-step explanation:

C. C charts straightiline limits and U chart has zig-zag limits

User Petershine
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