finished]. Fitting distributions consists in finding a mathematical function which represents in a good way a statistical variable. How would you define and explain the four steps in fitting distributions? How do you obtain a multi-server event graph model from a single server model? 1. What are the three ways to empirically generate random inputs from collected data? (11pts) 2. What is the inverse-transformation method of generating a random variable? (10pts) 3. How is the Erlang distribution defined in a homogeneous Poisson process? (11 pts) 4. Can you describe what is the thinning method of generating a next arrival time? (11pts) 5. What are the logical modeling components of the single server system? (11pts) 6. What is balking? What is blocking? (11pts) 7. Explain what is the takt time of inline-type equipment? (10pts)