$2$ pts

If the average arrival rate $($lambda$)$ is $48$ PCB boards per hour and the average service rate $($mu$)$ of Circuit Placement on the PCB board is $60$ boards per hour, then the utilization of the Circuit Placement station is $($in percentage$)\%$

$80\mathrm{.}00$

$1\mathrm{.}00$

$48\mathrm{.}00$

$60\mathrm{.}00$