Task
Time
(min)
1
1
2
1
3
1
1
2
1
A
B
C
D
E
F
G
H
I
The solution problem 9.17
1 min
a)
secsec
B
Immediate
Predecessors
A
A
C
C
C
D,E,F
B
G,H
2 min
secsec
H
1 min
secsec
I
1 min
secsec
D
1 min
secsec
A
2 min
secsec
C
3min
secsec
E
1 min
secsec
G
1 min
secs
TOPICS, OBJECTIVES AND ASSIGNMENTS
Module 1: Topic and Objectives
Operations Management Strategy and Competitiveness
Understand production and operations management key terms.
Analyze the various components involved in effective production and
operations
a)
Level 0
S
Level 1
Level 2
b)
V
2 weeks
W
T
3 weeks
1 week
X
S
1 week
2 weeks
Y
2 weeks
U
2 weeks
Z
1 weeks
1
2
Item
Part T
Part U
Part V
Part W
Part X
Part Y
Part Z
3
4
Calculation
1 x number of S
2 x number of S
1 x number of T
2 x number of T
1 x num
Problem
9.13
a
b
4 stations
A
B
9.17
F
E
Workstation 3
c
a
Workstation 2
D
C
Workstation1
Workstation 4
85.71 %
H
B
A
Workstation1
C
Workstation 2
D
E
F
I
Worksattion 5
G
Workstation 4
Workstation 3
10.29
E.3
E.5
E.6
b cycle time
3.3333333333
total task t
Andrew Naderer
Professor Pinaire
Chapter 6 and S6 Problem Set
2/28/2016
6.12)
Type of complaints
Parking/drives
Pool
Tenant issues
Grounds
Electrical plumbing
Number of complaints
38
24
18
16
4
120
100
80
60
Number of complaints
40
20
0
Type of complaints
Par, Inc., produces a standard golf bag and a deluxe golf bag on a weekly basis. Each golf bag requires time for cu
and time for sewing and finishing, as shown in the following table:
Hours Required Per Bag
Product
Cutting and Dyeing
Sewing and Finishing
4.1
Module 3
Grand Canyon University: MGT 45
August 28, 2015
The Following Gives the number of pints of Type B blood used at Woodlawn Hospital in the past 6
Weeks:
Week of
31-Aug
Sept. 07
Sept. 14
Sept. 21
Sept. 28
Ocotber 5
Prints Used
360
389
410
381
36
Paul Fenster owns and manages a chili dog and soft drink stand near the Kean U. campus. While Paul can service
Because Paul could wait on 50% more customers than actually visit his stand, it doesn't make sense to him that he
Paul hires you to examine the
a) B1, B5, B7
b) D1, D9 (parts a through e). For Problem D9, assume =
15.
B.1 Solve the following linear programming problem graphically:
Maximize profit = 4X + 6Y
Subject to:
X + 2Y < 8
5X + 4Y < 20
X,Y > 0
B.5 Solve the following LP problem graphically:
8.7 Insurance Company of Latin America (ILA) is considering opening an office in
the U.S. The two cities under consideration are Philadelphia and New York. The
factor ratings (higher scores are better) for the two cities are given in the
following table.
pg 454 (pg 498 In Adobe)
Baker Mfg. Inc. (see Table 11.9) wishes to compare its inventory turnover to those of industry leaders, who have turnove
13 times per year and 8% of their assets invested in inventory.
a) What is Bakers inventory turnover?
b) What
4.1 The following gives the number of pints of type A blood used at Woodlawn Hospital
in the past 6 weeks:
Week Of
August 31
September 7
September 14 410
September 21 381
September 28 368
October 5
Pints Used
360
389
374
a) Forecast the demand for the wee
Charles Lackey operates a bakery in Idaho Falls, Idaho. Because of its excellent product
and excellent location, demand has increased by 25% in the last year. On far too many
occasions, cus-tomers have not been able to purchase the bread of their choice.
3.7 Task time estimates for a production line setup project at Robert Klassens Ontario factory are as follows:
Activity
A
B
C
D
E
F
G
Immediate
Predecessors
A
B, C
B, C
D
E, F
Time (in hours)
6
7.2
5
6
4.5
7.7
4
a) Draw the project network using AON.
E7=
a) 10.29
b) 12.1, 12.9, 12.17.
c) 14.3, 14.4, 14.5
10.29 The Dubuque Cement Company packs 80-pound bags of concrete mix.
Time-study data for the filling activity are shown in the following table. Because of
the high physical demands of the job, the compan
MGT - 455
Module 3 Problems
The following gives the number of pints of type B
blood used at Woodlawn Hospital in the past 6 weeks:
WEEK OF PINTS USED
August 31 360
September 7 389
September 14 410
September 21 381
September 28 368
October 5 374
a) Forecas
1.5 Lori produces Final Exam Care Packages for resale by her sorority. She is currently
working a total of 5 hours per day to produce 100 care packages.
a) What is Loris productivity?
b) Lori thinks that by redesigning the package, she can increase her to
1.5 Lori produces Final Exam Care Packages for resale by her sorority. She is currently working a total of 5 hours per day to produce 100 care packages.
a) What is Loris productivity?
20
Productivity = number of units produced / hour =
b) Lori thinks that
Chuck Sox makes wooden boxes in which to ship
motorcycles. Chuck and his three employees invest a total of 40
hours per day making the 120 boxes.
a) What is their productivity?
120 / 40 = 3 boxes per hour
b) Chuck and his employees have discussed redesign
Mary Beth Marrs, the manager of an apartment complex feels overwhelmed by the number of complaints she was receiving.
Below is the check sheet she has kept for the past 12 weeks. Devleop Pareto chart using this information. What recommendations would you
Customers arrive at Rich Dunn's styling shop at a rate of 3 per hour, distributed in a Poisson fashion. Rich can perform haircuts at a rate of 5 per hour, distributed exp
Arrival rate
Service rate
3
5
Average server utilization
average # of customers in q
The Attaran Corporation manufactures two electrical products: portable air conditioners and portable
heaters. The assembly process for each is similar in that both require a certain amount of wiring and
drilling. Each air conditioner takes 3 hours of wiri
6.16 Boston Electric Generators has been getting many complaints from its major customer, Home Station, about the quality of its shipments of home generators. Daniel Shimshak, the plant manager, is alarmed that a customer is providing him with the only in
Meile Machine Shop, Inc., has a 1-year contract for the
production of 200,000 gear housings for a new off-road vehicle.
Owner Larry Meile hopes the contract will be extended and the volume
increased next year. Meile has developed costs for three alternati
Baker Mfg. Inc. (see Table 11.9) wishes to compare
its inventory turnover to those of industry leaders, who have turnover
of about 13 times per year and 8% of their assets invested in
inventory.
a) What is Bakers inventory turnover?
b) What is Bakers perc
17.2
21500
1250
7.53012048
1250
16600
Compared to Arrow, Baker is outperforming due to its Inventory turnover and
less percent invested in inventory.
Option 1 =
0.0174625
1.75%
0.14%
Option 2 =
0.0188662
1.89%
Option 1 provides the lowest risk.
Bullwhip m
Mary Beth Marrs, the manager of an apartment complex, feels overwhelmed by the number of
complaints she is receiving. Below is the check sheet she has kept for the past 12 weeks.
Develop a Pareto chart using this information. What recommendations would yo