What Cp is needed in order to achieve the same 3.4 defective parts per million assuming the process… 1 answer below »

What Cp is needed in order to achieve the same 3.4 defective parts per million assuming the process… 1 answer below »

In the chapter it was noted that when the process mean can shift by as much as 1.5 standard deviations, a Cp of 2.0 is needed in order to achieve 3.4 defective parts per million. What Cp is needed in order to achieve the same 3.4 defective parts per million assuming the process is perfectly stable and its mean does not shift?