QUESTIONS MODULE 1 WITH
VERIFIED ANSWERS!!
We are interested in modeling the arrival and service process at the local McBurger
Queen burger joint. Customers come in every once in a while, stand in line,
eventually get served, and off they go. Generally speaking, what kind of model are
we talking about here? (More than one answer below may be right.) -
ANSWERDiscrete (because events such as arrivals and service completions only
happen once in a while, as opposed to continuously) and Stochastic (because
customer arrival times, service times, shift changes, etc., are all random)
Which of the following can be regarded as advantages of simulation? (More than one
answer below may be right.) - ANSWERSimulation enables you to study models too
complicated for analytical or numerical treatment.
Simulations can serve as very pretty demos.
Simulation can be used to study detailed relations that might be lost in an analytical
or numerical treatment.
Who is William Gosset? - ANSWERHe invented the t distribution that is used
ubiquitously in statistics.
YES or NO? Has anyone closely related to the field of computer simulation ever won
a Nobel Prize? - ANSWERYes Harry Markowitz won the 1990 Nobel Prize in
Economics for his work in the field of portfolio optimization. He is highly regarded in
the simulation community for his conception and development of the general-
purpose simulation language SIMSCRIPT.
Suppose we are using the (terrible) pseudo-random number generator X i = ( 5 X i −
1 + 3 ) m o d ( 8 ) with starting value ("seed") X 0 = 1. Find the second PRN, U 2 = X
2 / m = X . - ANSWER3/8
Suppose that we generate a pseudo-random number U = 0.728. Use this to
generate an Exponential ( λ = 3 ) random variate. - ANSWER0.106 -(1/lambda)ln(U)
TRUE or FALSE? Simulation outputs such as consecutive customer waiting times
are almost always independent and identically distributed normal random variables. -
ANSWERFalse outputs are almost neveri.i.d
Let's simulate a bank that closes at 4:30 p.m. What kind of simulation approach
would you take? - ANSWERTerminating Simulation