Multiple Choice
The school of business has 3 fax machines.The toner in each machine needs to be changed after about 5 hours of use.There is one unit secretary who is responsible for the fax machine maintenance.It takes him 15 minutes to replace the toner cartridge.What is the probability the system is empty?
A) 1.1500
B) 1.1658
C) .8578
D) .8696
E) None of the above
Correct Answer:

Verified
Correct Answer:
Verified
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