If are i.i.d. , then what is the distribution of the sample mean

Given an exponential distribution

The following question is based on the 15 molecules illustrated in the figure.Which of the following molecules is the pentose sugar found in RNA?

If and are two consecutive event times in a discrete-event simulation model, what can happen during the time interval ?

TRUE or FALSE? A next-event time advance mechanism is well-suited for simulations that model continuous-time systems such as the movements of a weather system.

TRUE or FALSE ? As crazy as it sounds, the random numbers generated on a computer are actually deterministic! 

Consider the joint p.m.f. of discrete random variables and :   What is  ?

Suppose you toss a fair coin 10 times and get 10 heads in a row. If you continue to toss until you’ve tossed it a hundred times, what is the expected outcome?

Consider once again the FIFO single-server queue event list (table below).  Event list for FIFO If the queue had instead been a LIFO queue, then which of the following statements would be TRUE ? 

TRUE or FALSE ? In ARENA resources can have a schedule, i.e., we can specify when and how many resources are available.