DPMO is a commonly used lean six sigma metric. Suppose there are 6 defect opportunities (critical characteristics) per order. Sixty errors were found on 20 orders in a random sample of 400 orders. Find DPMO for this problem. What is the sigma level for the problem?

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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DPMO is a commonly used lean six sigma metric. Suppose there are 6 defect opportunities (critical characteristics) per order. Sixty errors were found on 20 orders in a random sample of 400 orders. Find DPMO for this problem. What is the sigma level for the problem?

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