QUESTION 17 Data for Problems 17-20. New York City Yellow Taxi Company has 15 ta

Question

QUESTION 17 Data for Problems 17-20. New York City Yellow Taxi Company has 15 taxi cars that operate 24 hours per day. A taxi car requires service repair every 20 days, on average according to an exponential distribution. The service is done at the companys own garage which has a repair person on duty at all times. The average time required torvice a tax car is 16 hours (exponenitially distributed, I have computed the probabulity of no car being serviced at the garage to be 0.527244 Which queueing system model is appropriate for this problem? O M/M/s queue M/M/T/C (finite capacity) M/M/1/FP (finite population queue) QUESTION 18 On average, how many taxi cars are not available for use at any one time? 1.135 cars 0.817 cars O 1.402 cars 1.262 cars UESTION 19 at is the average time a taxi car is not available for use? 1.423 days

Explanation / Answer

17)

option A is the right asnwer, M/M/1 que system is suitable to repair the cars

18)

the average repair time is 16 hours, and the available repair hours are 24, then the number of cars do not available are 1. 262, hence option D is the right answer

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