The intensive care unit lab process has an average turnaround time of $26\mathrm{.}2$ minutes and a standard deviation of $1\mathrm{.}53$ minutes. The nominal value for this service is $25$ minutes $\frac{+}{-}5$ mins. The lab administrator wants to have a four$-$sigma performance for her lab. Is the lab process capable of four sigma$-$level performance?