Question: Please explain by manual computation & Excel computations by drawing Normal curve A stamping process is producing metal washers that have diameters that are known

Please explain by manual computation & Excel computations by drawing Normal curve

A stamping process is producing metal washers that have diameters that are known to be normally distributed with mean 1 inch and standard deviation .006 inch. The process is known to be stable and in control. The specications for these washers are 1 inch +l'- .01. Identify the specification limits (LSL and USL]. Identify the process limits (LCLILNTL and UC fLJNTL). What proportion ofthe washers will be non conforming, assuming a normal distribution\"? What is the sigma level in terms of DPMO

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