Chapter 14_Ch 7_Exam Prep 100% Correct

CHAPTER 14_CH 7_EXAM PREP
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CHAPTER 14: Optimization Modeling: Glossary Terms: pg. 409
Applications




MULTIPLE CHOICE


1. Which of the following does not represent a broad class of applications of linear
programming models?
pg. 328 a.Blending models -used to find optimal combo of outputs & mix of inputs to produce

desired results.
pg. pg. 361 b. Financial portfolio models-used to determine the % of assets to invest in stocks,
398 gold, & treasury bills.
pg. 334 c.Logistics models-used to find MIN-Cost shipping method for satisfying customer
demands.
pg. d. Set covering models
387 e. Forecasting models

ANS: E PTS: 1 MSC: AACSB: Analytic


2. Many organizations must determine how to schedule employees to provide
adequate service. If we assume that an organization faces the same situation
each week, this is referred to as
a. static scheduling problem- company faces same situation each week (pg. 327).
b. dynamic scheduling problem-company does not face same situation each week (pg.
327)
c. transportation scheduling problem

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d. All of these options

ANS: A PTS: 1 MSC: AACSB: Analytic


3. Workforce scheduling problems are often integer programming models, which means
that they have: (pg. 321)
a. an integer objective function
b. integer decision variables
(pg. 325) c. integer constraints
d. all of these options

ANS: C PTS: 1 MSC: AACSB: Analytic


4. A common characteristic of integer programming (pg. 372)
models is that they:
a. are easy to solve graphically
b. produce the same answer and standard linear programming models
c. often produce multiple optimal solutions
d. all of these options

ANS: C PTS: 1 MSC: AACSB: Analytic


5. Which of the following is true regarding multiple c. All solutions
optimal solutions? have the same
a. All solutions have the same values for the shadow prices
decision variables d. All of these
b. All solutions have the same value for the options
objective function

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(pg. 326)

ANS: B PTS: 1 MSC: AACSB: Analytic


6. Many organizations must determine how to schedule employees to provide
adequate service. If we assume that an organization faces the same situation
each week, this is referred to as
a. static scheduling problem
b. dynamic scheduling problem
c. transportation scheduling problem
d. All of these options

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ANS: A PTS: 1 MSC: AACSB: Analytic


7. Rounding the solution of a linear programming to the nearest integer (pg. 378)
values provides a(n)
a. integer solution that is optimal
b. integer solution that may be neither feasible nor optimal
c. feasible solution that is not necessarily optimal
d. infeasible solution

ANS: B PTS: 1 MSC: AACSB: Analytic


8. Which of the following statements are false?
(pg. 326) a. Solver does not offer a sensitivity report for models with integer constraints
(pg. 327) b. Solver’s sensitivity report is not suited for questions about multiple input changes
(pg. 327) c. Solver’s sensitivity report is used primarily for questions
about one-at-a time changes to input
d. None of these options

ANS: D PTS: 1 MSC: AACSB: Analytic


9. If refers to the number of hours employee works in week , then to indicate that
the number
of working hours of 4 employees in week 3 should not exceed 160 hours, we
must have a constraint of the form
a. d. X= # hours
b. i= employee

c. j=week