a) Why is probability theory of interest to performance modeling of information systems?
b)What is a random variable?
c)If an M/D/1 queue has utilization of 80% do you expect its mean queue length and response time to be less, same, or greater than than of an M/M/1? Explain your answer.
d)Discuss the advantages and disadvantages of 1) independent replications and 2) batch means method for run length control.
e)What are some of the current “open research problems” in the area of simulation?