The restaurants manager decides to apply basic queuing model (M/M/1) in order to study the restaurants performance metrics. Over a period of a few days, the manager compiles the following information: The customers arrive at a rate of 6 per hour. On average, the service time is estimated to be 6.667 minutes.

For what % of time are the restaurants resources idle?

0%

33%

40%

50%

66%

None of These