A hexagonal cell within a seven-cell system has a radius of 1.425 km. A total of 119 channels are used within the entire system. If the load per user is 0.028 Erlangs, and  λ = 1 call/hour, compute the following for an Erlang C system (chart is attached) that has a 7% probability of delayed call:   C) What is the probability that a call will be delayed for more than 9 sec?

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter12: Quadratic Functions
Section12.8: Joint And Combined Variation
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A hexagonal cell within a seven-cell system has a radius of 1.425 km. A total of 119 channels are used within the entire system. If the load per user is 0.028 Erlangs, and  λ = 1 call/hour, compute the following for an Erlang C system (chart is attached) that has a 7% probability of delayed call:

 

C) What is the probability that a call will be delayed for more than 9 sec?

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