You need cash and FAST! You jump out of your car at a location known to have one ATM, but a history of a line. Usually you can expect to wait 250 seconds from the time you arrive until leaving with the $$. Service time averages 30 seconds.
Remembering
a. What is the utilization of the server? _____% (0.5 pts)
b. What is the expected time between people arriving to this system?
_____ seconds (0.5 pts)
c. How long is the line expected to be upon arrival? _____ people (0.5 pts)
d. What is the service rate of the server? _____ people/second (0.5 pts)
Correct answer with work shown for every answer and necessary conversions shown from data given.
W
W
L
L
W
W
L
q
q
r
r
l
m
l
m
l
r
=
=
-
=
=
=
,
,
1
,
,