At a fast food restaurant cars arrive randomly at a rate of

At a fast food restaurant, cars arrive randomly at a rate of 12 every 30 min. It takes an average of 2 min to serve each. what is the utilization factor?

Solution

the rate of utilization factor is= the average arrival rate is= 30/12= 2.5 minutes

the average time taken is 2 minitues

the utilization rate is= 2/2.5= 0.8 or 80%