Aldo Nassigh added subsection_Two_Major_Results_Given__.tex  almost 9 years ago

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\subsection{Two Major Results}  Given the probability of being in queue \eqref{ErlangC}, it is easy to derive the expected number of customers in queue $L_w$ - see: \cite{allen1978queueing} page 276:  \begin{equation}\label{Numb}  L_w = \frac{\rho}{1-\rho} \cdot P_w  \end{equation}   so that, by Little law, we derive the average time spent in queue by customers $T_w$ - see: \cite{allen1978queueing} page 276: