As a student, you are required to study the operation of the Coastal Java during a typical weekday. You arrive at 8 am just as Coastal Java is opening, and you diligently record information over the next 8 hours. According to the data you collected, The average arrival rate is 25/hour The average service rate is 28/hour What was the average waiting time (in hours) for a customer in line during this period? 0.07 0 0.3 0.11 0.13 0.17