The upper specification and the lower specification limits

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Reference no: EM13845282

1. Suppose the difference between the upper specification and the lower specification limits is 0.8 inches. The standard deviation is 0.1 inches. What is the process capability ratio? Please provide the formula, at least one step of calculation, and the correct answer for full credit.

2. The specifications for a plastic liner for concrete highway projects call for a thickness of 3.0 mm 0.2 mm. The standard deviation of the process is estimated to be 0.02 mm. The process is known to operate at a mean thickness of 3.0 mm.

(a) What is the of the process? Please provide the formula, at least one step of calculation, and the correct answer for full credit.

(b) Is the process capable based on the value and why?

Reference no: EM13845282

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