Solutions to Assignment 10
17-2.
a) The value of lambda is the average number of cars
arriving per hour and is therefore 4.
b)
Mean arrival rate is the same as lambda and thus 4 as well
c) Mu is the average number serviced per hour which is
6
d) Mean service time is 1/Mu and 1/6 hour or 10
minutes
e) Mean service rate is 6 cars per hour.
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17-4.
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17-6.
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17-10.
Little's Law : L = lambda * W. In 17-6 lambda is 1 L is 1 and W
is 1 hence L = 1*1 = 1.
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17-16.
It is easiest to first compute Lq and then L, W and Wq making use
of the relationships among them.
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17-27.
Again, compute Lq first, and use relations among Lq, L, W and Wq
to compute the others.
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