Q10
In an opencast mine, dumpers arrive at a shovel location with an average arrival rate of 12 per/hour. The inter-arrival times of the dumpers follow an exponential distribution. The service times of the shovel also follow an exponential distribution with an average of 3 minute. The average waiting time of a dumper in the queue in minutes is
A.
2.7
B.
6
C.
4.5
AnswerD.
7.5
Answer: Option C
Solution
Answer: Option C
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