Table 1:
Arrival rate of each node.
I
II
III
IV
λ
i
Registration(1)
1
1
1
1
λ
1
=γ
1
+γ
2
+γ
3
+γ
4
Consulting Room (2)
1
1
2
2
λ
2
=γ
1
+γ
2
+2γ
3
+2γ
4
Cashier(3)
1
0
2
1
λ
3
=γ
1
+2γ
3
+γ
4
Laboratory(4)
0
0
1
1
λ
4
=γ
3
+γ
4
Pharmacy(5)
1
0
1
0
λ
5
=γ
1
+γ
3