Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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A simulation model uses the mathematical expressions and logical relationships
of the
a. | real system. | b. | computer model. | c. | performance
measures. | d. | estimated inferences. |
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2.
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Values for the probabilistic inputs to a simulation
a. | are selected by the decision maker. | b. | are controlled by the decision
maker. | c. | are randomly generated based on historical information. | d. | are calculated by
fixed mathematical formulas. |
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3.
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A quantity that is difficult to measure with certainty is called a
a. | risk analysis. | b. | project determinant. | c. | probabilistic
input. | d. | profit/loss process. |
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4.
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The number of units expected to be sold is uniformly distributed between 300 and
500. If r is a random number between 0 and 1, then the proper expression for sales is
a. | 200(r) | b. | r + 300 | c. | 300 +
500(r) | d. | 300 + r(200) |
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5.
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If customer 2 has a service time of 1.6, and if customer 3 has an interarrival
time of 1.1 and a service time of 2.3, when will customer 3's service be completed?
a. | 5.0 | b. | 3.9 | c. | 3.4 | d. | There is not enough information to
answer. |
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6.
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In order to verify a simulation model
a. | compare results from several simulation languages. | b. | be sure that the
procedures for calculations are logically correct. | c. | confirm that the model accurately represents
the real system. | d. | run the model long enough to overcome initial start-up
results. |
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7.
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A simulation model used in situations where the state of the system at one point
in time does not affect the state of the system at future points in time is called a
a. | dynamic simulation model. | b. | static simulation model. | c. | steady-state
simulation model. | d. | discrete-event simulation
model. |
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8.
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The process of determining that the computer procedure that performs the
simulation calculations is logically correct is called
a. | implementation. | b. | validation. | c. | verification. | d. | repetition. |
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9.
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Numerical values that appear in the mathematical relationships of a model and
are considered known and remain constant over all trials of a simulation are
a. | parameters. | b. | probabilistic input. | c. | controllable
input. | d. | events. |
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10.
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The word "uniform" in the term "uniform random numbers"
means
a. | all the numbers have the same number of digits. | b. | if one number is,
say, 10 units above the mean, the next number will be 10 units below the mean. | c. | all the numbers are
odd or all are even. | d. | each number has an equal probability of being
drawn. |
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