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Tremendous advances have been made in the quality of an electronic component produced in quantities of one million units per year. Last year only six defectives were discovered. A further improvement was made. The plant manager asked the master black belt to run a 100,000 unit trial to determine with 95% confidence if the rate had been lowered by 2 DPMO. What was the master black belts response?

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Tremendous advances have been made in the quality of an electronic component produced in quantities of one million units per year. Last year only six defectives were discovered. A further improvement was made. The plant manager asked the master black belt to run a 100,000 unit trial to determine with 95% confidence if the rate had been lowered by 2 DPMO. What was the master black belts response?





 
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