to 



z 

 < 



LJJ 



in 



z 



D 



h- 



X 



o 



en 



Q 



< 



o 



3 



LL 



cr 



LU 



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LLI 



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II 



0.04f/ AQ-- 

 0.02 



TRUN 



10 .1 0:3 



TRUNKS 



.1 0.3 1.0 3 



a,= AVERAGE 

 IN 



10 .1 0.3 



TRUN 



10 .1 0.3 1.0 3 



OF OFFERED TRAFFIC 

 ERLANGS 



Fig. 51 — Mean and variance of overHovv load when non-random traffic is 

 offered to a group of trunks. 



512 



