Question: Explain to what extent the process for producing TEs Long Life bulbs in Problem 3-35 would have to be improved to achieve 6-sigma quality. Problem

Explain to what extent the process for producing TE’s Long Life bulbs in Problem 3-35 would have to be improved to achieve 6-sigma quality.

Problem 3-35

TE’s Long Life 13-watt LED light bulbs are designed to have a life of 1125 hours with tolerances of ± 210 hours. The process that makes light bulbs has a mean of 1050 hours, with a standard deviation of 55 hours. Compute the process capability ratio and the process capability index, and comment on the overall capability of the process.

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