Final answer:
To find the average wait time, we calculate the average time between arrivals and the average service time, and then subtract the average service time from the average time between arrivals.
Step-by-step explanation:
To find the average wait time, we need to calculate the average time between arrivals and the average service time. The average time between arrivals can be found by taking the reciprocal of the arrival rate, which is 1/68 minutes per customer.
The average service time can be found by taking the reciprocal of the service rate, which is 1/108 minutes per customer. Then, we can calculate the average wait time by subtracting the average service time from the average time between arrivals, which is (1/68) - (1/108) = 0.0147 minutes per customer.
Rounded to two decimal places, the average wait time is 0.01 minutes per customer.