Two machines are currently in use in a process at th Dennis Kira Mfg$.$ Co$.$ The standards for this process are LSL $=\mathrm{.}400"$ and USL $=\mathrm{.}403".$ Machine $1$ is currently producing with mean $=\mathrm{.}401"$ and standard deviation $\mathrm{.}0004".$ Machine $2$ is currently producing with mean $=\mathrm{.}4015"$ and standard deviation $\mathrm{.}0005".$ What are the CpK for machines $1$ and machine $2?$ Which machine is more capable?

Question $10$Answer

a$.$

CpK$1=1\mathrm{.}67$; CpK$2=1\mathrm{.}00$; Machine $1$

b$.$

CpK$1=1\mathrm{.}67$; CpK$2=1\mathrm{.}00$; Machine $2$

c$.$

CpK$1=0\mathrm{.}83$; CpK$2=1\mathrm{.}00$; Machine $2$

d$.$

CpK$1=0\mathrm{.}83$; CpK$2=1\mathrm{.}00$; Machine $1$

e$.$

E$)$ None of above is correct