The upper and lower specification limits for a component are $4\mathrm{.}20,$ and $4\mathrm{.}30$ ounces, respectively. The process standard deviation is $\mathrm{.}02,$ and the process average is $4\mathrm{.}24$ ounces. Which one of the following statements is true.

The Cp index indicates the process is centered.

The Cp index indicates the process is not centered.

The Cpk index indicates the process is centered.

The Cpk index indicates the process is not centered.