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l350 -516h5l48 257q25 131 25 171q0 34 -17.5 45t-77.5 15l7 28h240z" /></g><g transform="matrix(.022,-0,0,-.022,220.75,15.825)"><use xlink:href="#x2F" /></g><g transform="matrix(.022,-0,0,-.022,229.986,15.825)"><path id="x30" d="M241 635q53 0 94 -28.5t63.5 -76t33.5 -102.5t11 -116q0 -58 -11 -112.5t-34 -103.5t-63.5 -78.5t-94.5 -29.5t-95 28t-64.5 75t-34.5 102.5t-11 118.5q0 58 11.5 112.5t34.5 103t64.5 78t95.5 29.5zM238 602q-32 0 -55.5 -25t-35.5 -68t-17.5 -91t-5.5 -105
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<table>The loss probability and the mean number of busy servers at Station 2 as functions of the mean service time for different service time distributions.</table>

Mathematical Problems in Engineering

fig2

Figure 2

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Mathematical Problems in Engineering

A Tandem Queue with Group Occupation of Servers at the Second Station

Figure 2