The refrigeration process at the Norfolk plant of a national food processing firm is known to be in control and normally distributed with a mean of 37.515 degrees Fahrenheit and a standard deviation of 0.2 degrees Fahrenheit. In accordance with the company's policy, the refrigeration process specification is for temperature to be 37.5 ± 0.4 degrees Fahrenheit. The minimum required capability for the process is 1.33. Calculate Cp and Cpk? Is the process capable? Is the process centered?