Choose two (2) of the following five (5) questions, and complete your answers in 100-150 words. Present examples of the possible application of your answers. 1. Describe the important operational characteristics of a queuing system. 2. Why should be higher service rate that the rate of arrivals in a queuing system for a single channel? 3. Give examples of four situations in which there is limited or finite population 4. Do you think that the Poisson distribution, which represents independent arrivals, is a good estimate of the arrival rates in the following queuing systems? Give examples where serious or not applicable.