Zimken Bearings Has Been Making a Special Type of Bearing

Zimken Bearings has been making a special type of bearing with a diameter of 0.8 inches and a standard deviation of 0.004 inches. A new customer has a design requirement for a bearing with a diameter specification of 0.79 inches and a tolerance of ± 0.02 inches. Determine the C_pk.

A) 2.66
B) 1.16
C) 1.33
D) 1.00
E) 4.00