A machining process is capable of producing a component with an average specification of 5 inches and a process standard deviation of 0.1 inch.Supposing the customer accepts the component as long as it falls between 4.8 inches and 5.2 inches,then the process capability is
A) 1.333.
B) 1.5.
C) 0.667.
D) 1.0.

Question

Quizplus · Accepted Answer

Cp = (USL - LSL)/6 std. dev. = (5.2 - 4.8) / 6(0.1) = .4 / .6 = 0.667.

A Machining Process Is Capable of Producing a Component with an Average