Chapter 8 Queuing
(Show steps to get full credit)
1. This is an M/M/1 system with = 5 per min. and = 6 per min.
a. Pn>2 = 0.5787
b. P0 = 0.1667
c. Wq = 0.8333 min.
d. Lq = 4.1667 students
e. L = 5 students
f. This is an M/M/2 system with = 5 per min. and
Chapter 5
Inventory
(Show steps to get full credit.)
1.
a. Q = 168 units
b. ROP = 160 units
c. Average inventory = 84 units
Total holding cost = $714 per year
d. Number of orders per year = 23.8 orders
Total ordering cost = $714.3 per year
2.
a. 10 units
Chapter 07
Inventory Control Models
IIMT3636
School of Business
The University of Hong Kong
Instructor: Dr. Wei ZHANG
2
Introduction
Inventory is one of the most expensive and important
assets to many companies, representing as much as 50%
of total inves
Chapter 08
Queuing Models
IIMT3636
School of Business
The University of Hong Kong
Instructor: Dr. Wei ZHANG
2
Introduction
Queues or waiting lines are an everyday occurrence.
3
Introduction
Queuing theory is one of the oldest and most widely used
quanti
Chapter 06
Simulation Modeling
IIMT3636
School of Business
The University of Hong Kong
Instructor: Dr. Wei ZHANG
2
Introduction
In practice, we often make decisions under risk for very
complicated problems.
Too many random variables involved
Too many or
Chapter 04
Linear Programming Models
IIMT3636
School of Business
The University of Hong Kong
Instructor: Dr. Wei ZHANG
2
Introduction
Many management decisions involve making the most
effective use of limited resources.
E.g., space, money, labor, time,
Chapter 03
Regression Models
IIMT3636
School of Business
The University of Hong Kong
Instructor: Dr. Wei ZHANG
2
Introduction
When data is available, how to understand the
underlying relationship between
Education and income?
Advertising expense and sa
Project: Napa Valley Winery
After graduating from business school, John Wilson went to work for a Big Four accounting
firm in San Francisco. Because his hobby has always been wine making, when he had the
opportunity a few years later he purchased five acr
IIMT 3636
Assignment 03
(Chapter 02 and Chapter 03; Due Feb 22 at 12:00 noon)
1. Mike is in a casino and he decides to spend $100 on a slot machine just for fun. The minimum money
required to join the game is $100. After he deposits the money, he is allow
IIMT 3636
Assignment 06
(Chapter 04 and 05; Due March 21 at 12:00 noon)
1. (Restaurant work scheduling problem). The famous Y. S. Chang Restaurant is open 24 hours a day.
Waiters and busboys report for duty at 3am, 7am, 11am, 3pm, 7pm, or 11pm., and each
Numerical Answer to Selected Odd-numbered End-of-chapter Textbook Exercises
(Chapters 1, 2 and 3)
1-15
a) 0.5
b) 0.5
c) 0.25
1-17
a) 0.26
b) 0.19
c) 0.54
1-19
0.54
1-21
0.385, 0.615
1-23
0.947
1-25
a) 0.2
b) 0.4
c) 0.44
1-27
a) 0.02; not independent
1-29
Partial Answers to Assignment 3
Show steps to get full credits.
1(a) Suppose the first pull is a success. If John chooses to stop, he receives a utility of
600/1000 0.7746; If John chooses to continue with a second pull, then his expected utility
is 0.15
Chap 1
Probability & Statistics
1. P(Abu Ilan and Bedouin) = 23/(23+25) x (0.5) = 0.2396
P(El Kamin and Bedouin) = 35/(35+9) x (0.50) = 0.3977
The total probability of finding a Bedouin is P(Bedouin) = 0.2396 + 0.3977 = 0.6373
P(Abu Ilan Bedouin) = 0.2396
1(a)
Theeventthatcustomershavetowaitbefore2:30pmisequivalenttotheeventthatatleasttwomore
customersarriveafter2:00pmandbefore2:30pm.Thisisbecausethecustomerarrivingat2:00pm
occupiesonebarberuntil2:30pmandthenextcustomerwilloccupytheotherbarber.Customers
ar
Partial Answers to Assignment 4
Show steps to get full credits.
1. a. The amount he may be expected to claim = 90.00 + 48.50(5) + $0.40(300) = $452.50
b. The reimbursement request, according to the model, appears to be too high. However, this
does not mea
Microsoft Excel 14.0 Answer Report
Worksheet: [Chapter04_LP.xlsx]Flair Furniture
Report Created: 12/19/2015 10:56:45 AM
Result: Solver found a solution. All Constraints and optimality conditions are satisfied.
Solver Engine
Engine: Simplex LP
Solution Tim
IIMT 3636
Assignment 09
(Chapter 07; Due April 18, Monday, at 12:00 noon)
1. Barbara Bright is the purchasing agent for West Valve Company. West Valve sells industrial valves and
fluid control devices. One of the most popular valves is the Western, which
IIMT 3636
Assignment 05
(Chapter 04; Due March 14 at 12:00 noon)
1. A winner of the Texas Lotto has decided to invest his total award of $50,000 in the stock market.
Under consideration are stocks for a petrochemical firm and a public utility. Being discr
IIMT 3636
Assignment 04
(Chapter 03; Due Feb 29 at 12:00 noon)
1. Accountant at the firm Walker and Walker believed that several traveling executives submit unusually
high travel vouchers when they return from business trips. The accountant took a sample
THE UNIVERSITY OF HONG KONG
FACULTY OF BUSINESS AND ECONOMICS
SCHOOL OF BUSINESS
IIMT2601 BUSI1003 Management Information Systems
2016-2017, Semester 1, Subclasses A, B & C
GENERAL INFORMATION
Lecturer: Dr. Chao DING
Email: chao.ding@hku.hk
Office: KK Leu
IT INFRASTRUCTURE I THE CLOUD
IIMT2601/BUSI1003 Management Information Systems
School of Business
The University of Hong Kong
Instructor: Dr. Chao DING
AGENDA
Open Source Software (OSS)
OSS Defined
Impact
LAMP
The Cloud
Cloud computing
Types
Models
INTRODUCTION AND SYLLABUS
IIMT2601/BUSI1003 Management Information Systems
School of Business
The University of Hong Kong
Instructor: Dr. Chao DING
2
What is the impact/influence of the game?
3
More exercise
More communications with total strangers
Took o