OPR 3300 - Fall 2014
Class 11 10/15/14 Exam 1 Answers
page 1 of 5
OPR 3300 (Fall 2014) - EXAM 1 - October 15th, 2014
This is an open-book, open-note exam, to be completed independently by each student
Any communication with other students, or copying mate

OPR 3300 - Fall 2014
Class 27 12/10/14 Exam 3
page 1 of 8
OPR 3300 (Fall 2014) - EXAM 3 - December 10th, 2014
This is an open-book, open-note exam, to be completed independently by each student
Any communication with other students, or copying materials f

OPR 3300 - Spring 2015
Class 11 03/09/15
page 1 of 9
Basics of Statistics and Probability (from STAT 2000)
A
Introduction
1.
Descriptive Statistics are the methods that help collect, summarize, present, and analyze a set of data.
2.
Inferential Statistics

OPR 3300 - Fall 2014
Assignment 8
*EXTRA CREDIT (max 2.5 points on grade)* - Simulation Problem -
page 1 of 1
Required to get an A
Assignment 8 EC The assignment is due, in my office, by Monday, Dec. 29th, by 8PM , but of course
you can hand it in earlier

OPR 3300 - Fall 2013
Assignment 04
page 1 of 2
Assignment 4 Due on Wednesday, Ocober 23rd, 2013 (with an extension to 10/28 if necessary). I will not
accept E-mail assignments. Each person must submit his/her own answer and computer work. The computer
wor

OPR 3300 - Fall 2014
Class 09 10/06/14
page 1 of 9
Basics of Statistics and Probability (from STAT 2000)
A Introduction
1. Descriptive Statistics are the methods that help collect, summarize, present, and analyze a set of data.
2. Inferential Statistics a

OPR 3450 - Spring 2012
Assignment 1 due 08/27/12
page 1 of 1
Due in class on Wednesday (Assignment 1 on Aug. 27th, 2012; Extra Credit on Sept. 4th , 2012)
Assignment 1 (HH 1.7)
The Water Sports Company soon will be producing and marketing a new
model line

OPR 3450 - Fall 2012
Class 12 10/17/12
Butcher Shop Problem
page 1 of 12
The Steak and Chop Butcher Shop purchases steak from a local meatpacking house. The meat is purchased on
Monday at $2.00 per pound, and the shop sells the steak for $3.00 per pound.

OPR 3300 - Fall 2014
Class 28 - 12/15/14
page 1 of 4
MAKE-UP ASSIGNMENTS
A number of students did not hand in all of the assignments (or got low grades on them). The problems
below can be used to makeup the assignments that you missed. If you missed Assig

OPR 3300 - Spring 2015
Class 18 04/01/15 Exam 2 (version 2.2)
page 1 of 5
OPR 3300 (Spring 2015) - EXAM 2.2 - April 1st, 2015
This is an open-book, open-note exam, to be completed independently by each student
If something is unclear to you about the exam

OPR 3450 - Fall 2012
Assignment 3
Assignment 03
page 1 of 4
Due Monday, Sept. 24th, 2012 in class. (Extra Credit is due on Wednesday, Oct. 3 rd)
Hand in both a summary sheet with your answers to the three problems along with the needed computer backup
wor

OPR 3300 - Fall 2014
Summary Hyp Test, Conf Int, Samp Size
page 1 of 8
HYPOTHESIS TEST for the Population Proportion (two sided)
H0:
p = p0 (the null hypothesis)
H1:
p p0 (the alternate hypothesis)
= acceptable Prcfw_Type I Error = Prcfw_reject H0 when H

OPR 3450 - Fall 2012
Class 10 10/10/12 Exam 1a
page 1 of 5
OPR 3450 (Fall 2012) - EXAM 1 - October 10, 2012
This is an open-book, open-note exam, to be completed independently by each student
Any communication with other students, or copying materials fro

OPR 9721 Fall 2016
Class 09 09/28/16
School Bus - page 1 of 4
OPR 9721 Fall 2016
Class 09 09/28/16
School Bus - page 2 of 4
OPR 9721 Fall 2016
Class 09 09/28/16
School Bus - page 3 of 4
OPR 9721 Fall 2016
Class 09 09/28/16
School Bus - page 4 of 4

OPR 3450 - Spring 2017
Exam 1 due dates to be determined
OPR 3450 - EXAM 1 -
page 1 of 7
PART A - takehome
Ideally you should begin working on the exam immediately. It should be completed independently (in an ideal
world) by each student. (Since no monito

OPR 9721 - Fall 2016
1.
Exam 1 Answers
page 1 of 17
(WA 266.67) During the next three months Shoemakers must meet (on time) the following demand for
shoes with the following regular-time labor hours available:
It takes 1 hour of labor to produce a pair of

OPR 9721 - Fall 2016
1.
Exam 1 Answers
page 1 of 5
(WA 266.67) During the next three months Shoemakers must meet (on time) the following demand for
shoes with the following regular-time labor hours available:
It takes 1 hour of labor to produce a pair of

Dept. of Stat/Computer Information Systems
Zicklin School of Business, Baruch College/CUNY
Prof. Bill Ferns
CIS 3400 - DBMS I: Practice Midterm Exam
PART ONE: Applying DBMS Methodologies
For the midterm exams, I will ask you to do some of the following ta

OPR 3450 - Fall 2016
Exam 1 due dates to be determined
OPR 3450 - EXAM 1 -
PART B takehome
page 1 of 5
(Questions 6 - 10)
Part B is as follows:
1.
Question 6 is on on page 2
Question 8 or 9. Question 9 is much harder, requires more time, and is worth more

OPR 3450 - Fall 2016
Class 10 10/05/16
page 1 of 4
OPR 3450 - Fall 2016
Class 10 10/05/16
page 2 of 4
OPR 3450 - Fall 2016
Class 10 10/05/16
Case 5.3 (Pages 213-215)
page 3 of 4
Standard LP Formulation
OPR 3450 - Fall 2016
Class 10 10/05/16
page 4 of 4

White Horse Apple Products Co.
S = jars of apple sauce produced
J = jars of apple juice produced
A = $ of advertizing for applesauce
D = $ of advertizing for apple juice
Budget
$16,000
Sauce
Juice
Cost
$0.60
$0.85
Profit
$1.45
$1.75
Base Sales
5,000
4,000

OPR 3300 - Spring 2015
Class 03 02/04/2015
page 1 of 5
FORMULATION PROBLEMS
2.
A certain corporation has three branch plants with excess production capacity. All three plants have the
capability for producing a certain product, and management has decided

A
$300
B
$400
z = A+B
z=A
z = 300A+400B
10
10
56
153
15
20
112
15
25
30
168
168
10
10
56
153
$9,000
$11,000
$61,600
$51,900
A
B
C
A
B
1
2
z # #
3
1
4 hours 1
A
1
5
B
1
6
-1
7 ratio 2
8
A* B*
9
10
D
LHS
0
0
0
0
0
z*
0
E
F
G
H
RHSSlack
Surplus
<=
>=
>=
>=
1

OPR 3300 - Spring 2015
Class 04 02/09/15
page 1 of 5
The White Horse Apple Products Company purchases apples from local growers and makes applesauce and apple juice. It
costs $0.60 to produce a jar of applesauce and $0.85 to produce a bottle of apple juic

A
B
C
D
E
F
G
H
I
J
K
x1
x2
x3
x4
x5
x6
1
LHS
RHS Surplus
z
$200 $200 $200 $200 $200 $200 $36,000
2
period 1
1
1
50
>=
20
30
3
period 2
1
1
50
>=
50
0
4
period 3
1
1
90
>=
80
10
5
period 4
1
1
100
>=
100
0
6
period 5
1
1
40
>=
40
0
7
period 6
1
1
30
>=
30

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
A
Mountain
Laural
Vineyards
B
C D
C =
D =
H =
E
# of casks of
Mountain Blanc
# of casks of
Mountain Red
# of casks of
Mountain Blush
$7,500C + $8,200D
+ $10,500H
ma
Objective + x Z =
0.21C
0.24D +
0.18H <

car A
Profit per car
Steel per car (lbs)
Aluminum per car (lbs)
$1,000
2,000
1,000
car B
$1,500
1,000
2,000
Availability
(lbs)
200,000
150,000
max z =
steel
aluminum
$1000A +
2000A +
1000A +
A ,
Car A and B
$1500B
1000B
<=
2000B
<=
B
>=
200,000
150,000
0

OPR 3450 - Spring 2017
Assignment 05
page 1 of 3
Assignment 5 Due on Thursday, April 20th, 2017 (a little flexible). I will not accept E-mail assignments. Each
person must submit his/her own answer and computer work. The computer work must have your name

OPR 3450 - Spring 2017
Assignment 1 due 02/06/17
page 1 of 4
Assignment 1
This is due in class on Monday, February 6th, 2017. Each person must submit his/her own answer. If
anyone submits a copy of an assignment, everyone with that submission will get a z

OPR 3450 - Spring 2017
Assignment 7
Assignment 7
page 1 of 2
Due Wednesday, May 10th, 2017
(This assignment is based on Problem 13.23 (edition 4) which you can find at the bottom. Do not do 13.23)
Jennifer just had her 4th birthday and her parents have de

OPR 3450 -
page 1 of 4
A. Mr. Maloy has just bought a new $50,000 sport utility vehicle. Given his health conditions, he believes
that there is about a 20% chance of being in an accident (that he caused) in the forthcoming year. If he is
involved in an ac

OPR 3450 Spring 2017
Class 08 03/01/17
School Bus - page 1 of 10
OPR 3450 Spring 2017
Class 08 03/01/17
School Bus - page 2 of 10
OPR 3450 Spring 2017
Class 08 03/01/17
School Bus - page 3 of 10
OPR 3450 Spring 2017
Class 08 03/01/17
School Bus - page 4 o