Finite-Source Queueing Systems and their Applications
Finite-Source Queueing Systems and their Applications
Finite-Source Queueing Systems and their Applications
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János Sztrik 2001/08/05<br />
7. Mean waiting time of machines<br />
W =<br />
Q<br />
λ(N − E(L))<br />
By dividing measure 4 by the number of operators, r, <strong>and</strong> measure 5 by the<br />
number of machines, N, some related measures are<br />
• Coefficient of loss for operator<br />
or percentage of idle operators.<br />
• Coefficient of loss for machines<br />
<strong>Finite</strong>-<strong>Source</strong> <strong>Queueing</strong> <strong>Systems</strong> <strong>and</strong> <strong>their</strong> <strong>Applications</strong><br />
�N n=0 (r − n)Pn<br />
r<br />
�N n=r+1 (n − r)Pn<br />
N
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