Consider an open queueing network with three stations having the parameter values shown below.

Station j

sj

$$j

aj

pij

i $=1$

i $=2$

i $=3$

j $=1$

$1$

$25$

$6$

$0$

$0\mathrm{.}2$

$0\mathrm{.}4$

j $=2$

$1$

$30$

$8$

$0\mathrm{.}5$

$0$

$0\mathrm{.}3$

j $=3$

$1$

$20$

$4$

$0\mathrm{.}4$

$0\mathrm{.}3$

$0$