Q$11.$ 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$.$ What are the upper and lower specification limits for this product? The process is known to operate at a mean thickness of $6\mathrm{.}03$ mm$.$ Calculate Process Capability Index Cp$?$A$)0\mathrm{.}67$B$)1\mathrm{.}67$C$)2$D$)1$E$)1\mathrm{.}33$