Frank$$ Pianki, the manager of an organic yogurt processing plant desires a quality specification with a mean of $20\mathrm{.}0$ounces$,$ an upper specification limit of $20\mathrm{.}6$ounces$,$ and a lower specification limit of $19\mathrm{.}4$ ounces. The process has a mean of $20\mathrm{.}0$ ounces and a standard deviation of $1\mathrm{.}5$ ounce. The process capability index cpk