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# T or F. Explain briey if you choose F. (a) (T F ) Performance is the qualitative measure of a system.

1. T or F. Explain brieﬂy if you choose F.

(a) (T F ) Performance is the qualitative measure of a system.

(b) (T F ) A system is a set of interacting or interdependent entities forming an integrated whole.

(c) (T F ) Veriﬁcation is the process of determining whether a simulation model is an accurate representation of the system, for the particular objectives of the study.

(d) (T F ) If the lexis ratio is 1, then the underlying distribution is a Poisson distribution.

2. For each of the following, identify whether it is a continuous time (ct) or discrete time (dt) performance measure:

(a) average queue length:

(b) average machine utilization:

(c) average service time:

(d) average number of busy terminal machines:

(e) average delay in a queueing system: