Question: Suppose documents in a lending organization are selected randomly (without replacement) for review. In a set of 50 documents, suppose that two actually con- tain

Suppose documents in a lending organization are selected randomly (without replacement) for review. In a set of 50 documents, suppose that two actually con- tain errors.

(a) What is the minimum sample size such that the probability exceeds 0.90 that at least one document in error is selected?

(b) Comment on the effectiveness of sampling inspection to detect errors.

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