The process capability$$ index, Upper C Subscript pk$,$ is equal to

$$

$0\mathrm{.}85.($Enter your response rounded to three decimal$$ places.$)$

Part $3$

Assume that the process is in statistical control. Is the process capable of producing the part at the four$-$sigma $$level$?$ Explain.

Since Upper C Subscript p equals

$$

$1\mathrm{.}112,$ the process