Quality control inspector to the correct decision


A manufacturer considers a production lot unacceptable if 11% or more of the units in the lot are defective. In such cases the company wants to scrap the entire lot. A company quality control inspector has proposed the following criterion for determining whether to reject a lot: In a sample of 10 units from a lot, if two or more are defective, reject the entire lot. If the lot currently under examination is 11% defective, what is the probability that this decision rule will lead the quality control inspector to the correct decision?

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Basic Statistics: Quality control inspector to the correct decision
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