A technician who works in a computer lab at a local college has the responsibility of maintaining 30 desktop computers.Past records indicate that each desktop needs repair after about 40 hours of use.Breakdowns have been found to be Poisson distributed.The one technician on duty can repair a desktop in an average of 1 hour,following an exponential distribution.
a.How many desktops are waiting for service (i.e. ,in the repair queue),on average?
b.What is the average waiting time in the queue?
c.What is the average wait in the system?
d.What is the probability that all desktops are in good working condition and not needing any repairs?

Question

Quizplus · Accepted Answer

The Answer of A technician who works in a computer lab at a local college has the responsibility of maintaining 30 desktop computers.Past records indicate that each desktop needs repair after about 40 hours of use.Breakdowns have been found to be Poisson distributed.The one technician on duty can repair a desktop in an average of 1 hour,following an exponential distribution.
a.How many desktops are waiting for service (i.e. ,in the repair queue),on average?
b.What is the average waiting time in the queue?
c.What is the average wait in the system?
d.What is the probability that all desktops are in good working condition and not needing any repairs?

A Technician Who Works in a Computer Lab at a Local