Each airline passenger and his or her luggage must be checked to determine whether he or she is carrying weapons onto the airplane. Suppose that at Gotham City Airport, an average of 10 passengers per minute arrive (inter-arrival times are exponential). To check passengers for weapons, the airport must have a checkpoint consisting of a metal detector and baggage X-ray machine. Whenever a check-point is in operation, two employees are required. A checkpoint can check an average of 12 passengers per minute (the time to check a passenger is exponential). Under the assumption that the airport has only one checkpoint, answer the following questions: a. What is the probability that a passenger will have to wait before being checked for weapons? b. On the average, how many passengers are waiting in line to enter the checkpoint? c. On the average, how long will a passenger spend at the checkpoint?
Each airline passenger and his or her luggage must be checked to determine whether he or she is carrying
weapons onto the airplane. Suppose that at Gotham City Airport, an average of 10 passengers per minute
arrive (inter-arrival times are exponential). To check passengers for weapons, the airport must have a
checkpoint consisting of a metal detector and baggage X-ray machine. Whenever a check-point is in
operation, two employees are required. A checkpoint can check an average of 12 passengers per minute
(the time to check a passenger is exponential). Under the assumption that the airport has only one
checkpoint, answer the following questions:
a. What is the probability that a passenger will have to wait before being checked for weapons?
b. On the average, how many passengers are waiting in line to enter the checkpoint?
c. On the average, how long will a passenger spend at the checkpoint?
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