Multiple Choice
A bank of 10 machines requires regular periodic service. Machine running time and service time are both exponential. Machines run for an average of 44 minutes between service requirements, and service time averages six minutes per machine. What is the average number of machines down when there is one operator?
A) 1.49
B) 3.35
C) 4.40
D) 6.65
E) 8.51
Correct Answer:
Verified
Correct Answer:
Verified
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