An average of 17 cars per hour arrive at a single-server drive-in teller. Assume the average...

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An average of 17 cars per hour arrive at a single-server drive-in teller. Assume the average service time for each customer is 4 minutes, and both interarrival times and service times are exponential. Answer the following questions: i. What is the mean arrival time? ii. What is the mean service time? iii. What is the probability that the teller is busy? iv. What is the average number of cars waiting in line for the teller? V. vi. vii. What is the average amount of time a drive-in customer spends waiting in the parking lot? What is the average number of cars in the system? Describe the possible behavior of customer arrivals. Justify your answer. An average of 17 cars per hour arrive at a single-server drive-in teller. Assume the average service time for each customer is 4 minutes, and both interarrival times and service times are exponential. Answer the following questions: i. What is the mean arrival time? ii. What is the mean service time? iii. What is the probability that the teller is busy? iv. What is the average number of cars waiting in line for the teller? V. vi. vii. What is the average amount of time a drive-in customer spends waiting in the parking lot? What is the average number of cars in the system? Describe the possible behavior of customer arrivals. Justify your answer.