If the viscosity specification for a fluid requires only a minimum of $113\mathrm{.}4$ centistokes $($units are cSt$)$ and our process has been stable for a long time, with a process mean of $151\mathrm{.}2$ cSt and a variance of $70\mathrm{.}56$:

$3.(3$ pts$)$ What is the Cp ratio?