Explain erlang family of distributions of service times, Basic Computer Science

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Question 1 Explain the structure of Mathematical Model in your own words

Question 2 Describe Erlang family of distributions of service times

Question 3 Describe the algorithm for solving a linear programming problem by graphical method.

Question 4 Explain the use of finite queuing tables

Question 5 Customers arrive at a small post office at the rate of 30 per hour. Service by the clerk on duty takes an average of 1 minute per customer

a) Calculate the mean customer time

  • Spent waiting in line
  • Spent receiving or waiting for service

b) Find the mean number of persons

  • in line
  • Receiving or waiting for service

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