An immigration agent at Ataturk airport in Istanbul, Turkey on the average could process 120 entrants during an 8-hour shift if she was busy all the time. The number of arrivals is based on Poisson distribution and the time to process each entrant is a random variable with an exponential distribution. On average, an entrant arrives at her station once every 6 minutes, Determine the expected time in the system. 

a. 3 minutes 

b. 1 minute 

c. 8 minutes

d. 12 minutes 

e. 7 minutes

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Answer c 8 minutes Explanation Average service time w... View the full answer