A metal fabricator produces connecting rods with an outer diameter that has a 1 +- 0.02 inch specification and standard deviation of 0.03. A machine operator takes several sample mearsurements over time and determines the sample mean outer diameter to be 1.005 inches with a standard deviation of 0.007 inch. What is the Cpk?
A. Cpk = 0.7143. The process is not capable.
B. Cpk = 1.191. The process is capable