The specification limit for a product is $6cm$ and $8cm.$ A process that produces the product has a mean of $7\mathrm{.}75cm$ and a standard deviation of $0\mathrm{.}25cm.$ What is the process capability, Cpk$,$ and is the process capable or not?

Cpk $=0\mathrm{.}33,$ the process is not capable

Cpk $=1\mathrm{.}67,$ the process is capable

Cpk $=1\mathrm{.}33,$ the process is not capable

Cpk $=0\mathrm{.}83,$ the process is not capable

Cpk $=2\mathrm{.}33,$ the process is capable