Introduction to Management Science/Operation Management
OPM 350

Spring 2014
HOMEWORK #8: The Normal Distribution
Write all your answers on the following pages
Exercise 1
Use the Normal table to find the following probabilities and percentiles:
P (0.34 Z 1.67) =
P (Z 1.2) =
P
Introduction to Management Science/Operation Management
OPM 350

Spring 2014
HOMEWORK #7: Continuous Random Variables
Write all your answers on the following pages
Exercise 1
The amount of time you have to wait at a particular stoplight is uniformly distributed between zero an
Introduction to Management Science/Operation Management
OPM 350

Spring 2014
HOMEWORK #9: Sampling and Sampling Distributions
Write all your answers on the following pages
Exercise 1
Find the builtin functions in EXCEL to calculate Normal and Chisquared probabilities and per
Introduction to Management Science/Operation Management
OPM 350

Spring 2014
CHAPTER 6
Continuous Random Variables
6.2
The Normal Distribution
Density Function
If X is normally distributed with mean and standard deviation (X N (, ) then,
f (x) =
1
1
exp( 2 (x )2 ).
2
2
Whose
Introduction to Management Science/Operation Management
OPM 350

Spring 2014
Solved Exercises #8: The Normal Distribution
Exercise 1
Find the following probabilities for the Standard Normal:
P (Z 2.45) =
P (Z < 1.20) =
P (Z 0.89) =
P (Z < 1.23) =
P (Z 1.45) =
P (Z 1.96) =
P (1
Introduction to Management Science/Operation Management
OPM 350

Spring 2014
Solved Exercises #7: Continuous Random Variables
Exercise 1
The jurisdiction of a rescue team includes emergencies occurring on a stretch of river that is 4 miles long.
Experience has shown that the d
Introduction to Management Science/Operation Management
OPM 350

Spring 2014
Chapter 9
Hypothesis Testing
We have seen that when a sample is drawn from a population, the evidence obtained can be used to
make inferential statements about the characteristics of the population, f
Introduction to Management Science/Operation Management
OPM 350

Spring 2014
Solved Exercises #11: Confidence Intervals for the Proportion and the Variance
Exercise 1
In a recent study of the university library, students were asked if they thought that the schools library had
Introduction to Management Science/Operation Management
OPM 350

Spring 2014
CHAPTER 8
Confidence Intervals
8.2
Confidence Intervals for the Proportion and the Variance
In this section we will introduce two new confidence intervals. Following the same philosophy we used
in the
Introduction to Management Science/Operation Management
OPM 350

Spring 2014
CHAPTER 8
Confidence Intervals
8.3
Confidence Intervals for Differences between two populations
In this section we will learn how to compare two different populations. First, we will learn four
differ
Introduction to Management Science/Operation Management
OPM 350

Spring 2014
HOMEWORK #10: Confidence Intervals for the Mean
Write all your answers on the following pages
Exercise 1
A brewing company knows that the quantities of beer in its cans have a normal distribution with
Introduction to Management Science/Operation Management
OPM 350

Spring 2014
HOMEWORK #11: Confidence Intervals for the Proportion and the Variance
Write all your answers on the following pages.
Exercise 1
Four different statistical problems have to be studied, samples from ea
Introduction to Management Science/Operation Management
OPM 350

Spring 2014
Solved Exercises #10: Confidence Intervals for the Mean
Exercise 1
A college admissions officer for an M.B.A. program has determined that historically, candidates have undergraduate grade point averag
Introduction to Management Science/Operation Management
OPM 350

Spring 2014
Solved Exercises #12: Confidence Intervals for Differences between Populations
Exercise 1
A random sample of six salespersons that attended a motivational course on sales techniques was monitored in
t
Introduction to Management Science/Operation Management
OPM 350

Spring 2014
HOMEWORK #12: Confidence Intervals for Differences between Populations
Write all your answers on the following pages
Exercise 1
The Asian economy faltered during the last few months of 1997. Investors
Introduction to Management Science/Operation Management
OPM 350

Spring 2014
Chapter 2
Summary Statistics with grouped data
M. Moreno
Saint Louis University  Madrid Campus
M. Moreno
OPM  207 Intro to Business Statistics
December 4, 2014
1 / 4
Example
120 SLU students are ask
Introduction to Management Science/Operation Management
OPM 350

Spring 2014
A Fertilizer
Effectiveness
Study
Preliminaries
65 plots have been studied, using different levels of fertilizer,
the amount of maize obtained in each of these plots has been
measured to assess the eff
Introduction to Management Science/Operation Management
OPM 350

Spring 2014
Chapter 5
Discrete Random Variables: General Concepts
M. Moreno
Saint Louis University  Madrid Campus
M. Moreno
OPM  207 Intro to Business Statistics
November 20, 2014
1 / 10
Definitions
Random Vari
Introduction to Management Science/Operation Management
OPM 350

Spring 2014
Chapter 5
Discrete Random Variables: Important Models
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Saint Louis University  Madrid Campus
M. Moreno
OPM  207 Intro to Business Statistics
December 1, 2014
1 / 11
The Binomial Distributio
Introduction to Management Science/Operation Management
OPM 350

Spring 2014
Chapter 7
Confidence Intervals for the population mean
M. Moreno
Saint Louis University  Madrid Campus
M. Moreno
OPM  207 Intro to Business Statistics
January 1, 2015
1 / 15
Introduction to inferenc
Introduction to Management Science/Operation Management
OPM 350

Spring 2014
Describing Data: Graphical
M. Moreno
Saint Louis University  Madrid Campus
M. Moreno
OPM 2070  Business Statistics
January 17, 2016
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Categorical Data
The following table has been imported from
Introduction to Management Science/Operation Management
OPM 350

Spring 2014
Chapter 6
Continuous Random Variables: General Concepts
M. Moreno
Saint Louis University  Madrid Campus
M. Moreno
OPM  207 Intro to Business Statistics
December 1, 2014
1 / 7
The density function
Fo
Introduction to Management Science/Operation Management
OPM 350

Spring 2014
Chapter 7
Confidence Intervals for Differences between two populations
M. Moreno
Saint Louis University  Madrid Campus
M. Moreno
OPM  207 Intro to Business Statistics
January 9, 2015
1 / 7
Confidenc
Introduction to Management Science/Operation Management
OPM 350

Spring 2014
Sofa Zamit Gonzlez
09/30/17
Marta Moreno
OPM
Introduction
A records company has done a market research to determine the impact of advertising
on the sales of different types of CDs sales. 80 different
Introduction to Management Science/Operation Management
OPM 350

Spring 2014
Chapter 6
Continuous Random Variables: The Normal Distribution
M. Moreno
Saint Louis University  Madrid Campus
M. Moreno
OPM  207 Intro to Business Statistics
December 16, 2014
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The Normal Dis
Introduction to Management Science/Operation Management
OPM 350

Spring 2014
Chapter 2
Describing Relationships
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Saint Louis University  Madrid Campus
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OPM  207 Intro to Business Statistics
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Measures of Relationships Between Variables
Introduction to Management Science/Operation Management
OPM 350

Spring 2014
Chapter 7
Confidence Intervals for the Proportion and the Variance
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Saint Louis University  Madrid Campus
M. Moreno
OPM  207 Intro to Business Statistics
January 7, 2015
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Introduction to Management Science/Operation Management
OPM 305

Summer 2017
Production Rates in Hours Per Unit
Department
Product 1
Product 2
Stamping
0.03
0.15
Drilling
0.06
0.12
Assembly
0.05
0.1
Finishing
0.04
0.2
Packaging
0.02
0.06
Sales Potential
Minimum
Maximum
Net Sel
Introduction to Management Science/Operation Management
OPM 305

Summer 2017
Problem # 2
Faisal Alateeg
Page 62
Vitamin A
Vitamine B
Cost per oz
Material Requirements
Oats
Rice
8
6
1
2
$0.05
$0.03
Minimum Requirement
48
12
The LP Model Formulation
Oz Produced
Decision Variable