1) Subjective probability implies that we can measure the relative frequency of the
values of the random variable.
2) The objective of a transportation problem solution is to schedule shipments from
sources to destinations while minimizing total transportation and production costs.
3) Utility theory may help the decision maker include the impact of qualitative factors
that are difficult to include in the EMV model.
4) A marketing research linear programming model can help a researcher structure the
least expensive, statistically meaningful sample.
5) describes the dispersion or spread of the normal distribution.
6) The objective of an assignment problem solution most often is to minimize the total
costs or time of performing the assigned tasks.
7) Matrices can be used by television station executives to describe the channel
switching behavior of their eight o’clock TV news audience.
8) If, for a simple queuing or waiting line problem, we compare the solution from an
analytical model with that from a simulation, we will typically find them to be exactly
the same.
9) The longest time path through a PERT/CPM network is called the critical path.
10) The shortest-route technique might be used by someone planning a vacation in
order to minimize the required amount of driving.
11) Exponential smoothing cannot be used for data with a trend.
12) When receiving a shipment from a supplier, inspection must be done to check the
fraction of defective products. This is best monitored by which of the following control
charts?
A) x-bar chart
B) R-chart
C) p-chart
D) c-chart
E) None of the above
13) Consider the following linear programming problem:
This is a special case of a linear programming problem in which
A) there is no feasible solution.
B) there is a redundant constraint.
C) there are multiple optimal solutions.
D) this cannot be solved graphically.
E) None of the above
14) The ability to examine the variability of a solution due to changes in the
formulation of a problem is an important part of the analysis of the results. This type of
analysis is called ________ analysis.
A) sensitivity
B) implicit
C) normal
D) scale
E) objective
15) A state that when entered, cannot be left is called
A) transient.
B) recurrent.
C) absorbing.
D) steady.
E) None of the above
16) Which of the following mathematical operations cannot be performed on Matrices?
A) matrix addition, subtraction, and multiplication
B) matrix inversion
C) transposing a matrix
D) multiple regression
E) None of the above
17) Table 12-1
Using the information provided in Table 12-1 and counting each person being served
and the people in line, on average, how many people would be in this system?
A) 0.521
B) 1.646
C) 1.125
D) 0.183
E) None of the above
18) The sum of squared error (SSE) is
A) a measure of the total variation in Y about the mean.
B) a measure of the total variation in X about the mean.
C) a measure in the variation of Y about the regression line.
D) a measure in the variation of X about the regression line.
E) None of the above
19) Shown below is an incomplete pairwise comparison matrix for three alternatives.
What comparison factor should A3 receive when compared to A2?
A) 3
B) 1/3
C) 7
D) 1/7
E) None of the above
20) The expected time in PERT is
A) a weighted average of the most optimistic time, most pessimistic time, and four
times the most likely time.
B) the modal time of a beta distribution.
C) a simple average of the most optimistic, most likely, and most pessimistic times.
D) the square root of the sum of the variances of the activities on the critical path.
E) None of the above
21) What is the objective in the truck loading problem?
A) minimize trucking distance
B) minimize the weight of the load shipped
C) maximize the value of the load shipped
D) minimize the cost of the load shipped
E) None of the above
22) Table M1-2
Table M1-2 displays the result of the pairwise comparisons of the various schools in
which Jason has an interest. The completed table is:
A)
B)
C)
D)
E) None of the above
23) The project described by:
is best represented by which of the following networks?
A)
B)
C)
D)
E) None of the above
24) Utilization of Bayes’ theorem requires the use of all but
A) prior probabilities.
B) marginal probabilities.
C) conditional probabilities.
D) posterior probabilities.
E) expected monetary values (EMV).
25) What is the probability that F is between 4 and 5, given a df1 = 4 and df2 = 6?
A) 0.0654
B) 0.0406
C) 0.0248
D) 0.05
E) Not enough information provided
26) Data Equipment Inc. produces two models of a retail price scanner, a sophisticated
model that can be networked to a central processing unit and a stand-alone model for
small retailers. The major limitations of the manufacturing of these two products are
labor and material capacities. The following table summarizes the usages and capacities
associated with each product.
The typical LP formulation for this problem is:
27) Describe the conditions when simulation is useful for inventory analysis.
28) Leo Phan is the new business manager at PC Priced Right. He is concerned that his
register is incorrectly ringing items. For those items sold during the last seven days, he
has counted 10 that were incorrectly charged. What would be the 99.7% control limits
for the number of incorrect rings per week on this process?
29) What is meant by a multichannel queuing system?
30) In general terms, describe what TIME SERIES forecasting models are.