The specification for a plastic liner for concrete highway projects calls for a thickness of $6\mathrm{.}0$ mm $0\mathrm{.}1$ mm$.$ The standard deviation of the process is estimated to be $0\mathrm{.}02$ mm$.$ The process is known to operate at a mean thickness of $6\mathrm{.}03$ mm$.$ What is the process capability ratio Cp$$for this process?

$3\mathrm{.}34$

$1\mathrm{.}17$

$1\mathrm{.}67$

$2\mathrm{.}17$

The specification for a plastic liner for concrete highway projects calls for a thickness of $6\mathrm{.}0$ mm $0\mathrm{.}1$ mm$.$ The standard deviation of the process is estimated to be $0\mathrm{.}02$ mm$.$ The process is known to operate at a mean thickness of $6\mathrm{.}03$ mm$.$ What is the process capability index Cpk$?$ Is this process capable?$$

$\mathrm{.}59,$ no

$3\mathrm{.}34,$ yes

$1\mathrm{.}67,$ yes

$2\mathrm{.}17,$ yes

$1\mathrm{.}17,$ yes