MGMT 600 American Graduate University Operations Management Exam

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610-1
FINAL EXAMINATION
OPERATIONS MANAGEMENT
COURSE 610
To submit a final examination, the student should enter the AGU website at http://www.agu.edu and
click on “for Current Students” in the right hand corner. This will take you directly to the Student
Center. Click on “Online Exams.” Then click on the appropriate “AGU Electronic Examination
Form.” This will bring up an electronic form which can be completed and submitted by the student.
If you are unable to submit the examination electronically you may fax (626-332-8149) or e-mail
(studentservices@agu.edu) the Answer Sheet at the end of the exam, as well as the answers to the
Case Studies, to Student Services.
If this is a proctored exam, your proctor must e-mail or fax your answers to Student Services.
Submit any inquiries through “Contact Us” on the webpage, or by contacting Student Services at
studentservices@agu.edu.
MULTIPLE CHOICE:
Question 1: Larrys Auto Body Repair Shop had revenues that averaged \$60,000 per week in
April and \$50,000 per week in May. During both months, the shop employed six
full-time (40 hours/week) workers. In April the firm also had four part-time workers
working 25 hours per week but in May there were only 2 part-time workers and they
only worked 10 hours per week. What is the percentage change in labor productivity
from April to May for Larry’s Auto Body Repair?
(a) 17.65
(b) 15.84
(c) 8.97
(d) 1.76
(e) 19.23
Question 2: Apply linear programming to this problem. A one-airplane airline wants to determine
the best mix of passengers to serve each day. Their airplane seats 25 people and flies
8 one-way segments per day. There are two types of passengers: first class (F) and
coach (C). The cost to serve each first class passenger is \$15 per segment and the
cost to serve each coach passenger is \$10 per segment. The marketing objectives of
the airplane owner are to carry at least 13 first class passenger-segments and 67
coach passenger-segments each day. In addition, in order to break even, they must at
least carry a minimum of 110 total passenger segments each day. Which of the
following is one of the constraints for this linear program?
(a) 15 F + 10 C => 110
(b) 1 F + 1 C => 80
(c) 13 F + 67 C => 110
(d) 1 F => 13
(e) 13 F + 67 C =< (80/200)

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610-2
Question 3: Apply linear programming to this problem. A firm wants to determine how many
units of each of two products (products X and Y) they should produce in order to
make the most money. The profit from making a unit of product X is \$190 and the
profit from making a unit of product Y is \$112. The firm has a limited number of
labor hours and machine hours to apply to these products. The total labor hours per
week are 3,000. Product X takes 2 hours of labor per unit and Product Y takes 6
hours of labor per unit. The total machine hours available are 750 per week. Product
X takes 1 machine hour per unit and Product Y takes 5 machine hours per unit.
Which of the following is one of the constraints for this linear program?
(a) 1 X + 5 Y =< 750
(b) 2 X + 6 Y => 750
(c) 2 X + 5 Y = 3,000
(d) 1 X + 3 Y =< 3,000
(e) 2 X + 6 Y =>3,000
Question 4: An assumption of three-activity-time CPM analysis is that the activity time estimates
conform to the beta distribution. Which of the following is a valid criticism of this
assumption?
(a) Project activities cannot always be networked
(b) Project control doesnt focus enough on the critical path
(c) Obtaining three valid time estimates to put into the formula is difficult
(d) Beta distributions do not occur naturally
(e) None of the above
Question 5: In CPM analysis it is generally expected that the relationship between activity direct
costs and project indirect costs will be which of the following?
(a) Positively related
(b) Optimally related
(c) Negatively related
(d) Not related
(e) Fractionally related
Question 6: The purpose of Value Analysis/Value Engineering (VA/VE) is to:
(a) Simplify products and processes
(b) Improve the value that customers find in existing products
(c) Relate the customers needs to technical specifications
(d) Meet budgets and improve the results of financial models
(e) Facilitate better cooperation between business functions

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