Phillip Oh
Fin303OL
Prof. Yanbo
Chapter 13 Personal Reflection Essay
Chapter 13 is entitled The Cost of Capital. This chapter writes about the weighted
average cost of capital and why it is often used as a discount rate for evaluation, calculating the
cos

Instructions for the Gibbs Sampling Problem and R Commands
(* may be completed with a partner *)
The goal of this problem is to do a Bayesian analysis of the distribution of normal body
temperature readings for healthy male and female individuals. The dat

Homework #3
Timothy Reese
02/06/12
66) Let the unknown probability that a basketball player makes a shot successfully be . Suppose your prior on is uniform on [0, 1] and that she
then makes two shots in a row. Assume that the outcomes of the two
shots are

Problem #36
Regression Analysis: Deflection versus Load
The regression equation is
pressure = 26068 - 39.9 temperature
Predictor
Constant
temperature
Coef
26068.0
-39.8736
S = 25.3068
SE Coef
16.2
0.5042
R-Sq = 99.7%
T
1612.23
-79.08
P
0.000
0.000
R-Sq(ad

Phillip Oh
Math494
Professor Shapiro
What is Operations Research?
Operations research (also referred to as OR- is used to find a better way to solve problems such
as:
A problem that as the complexity and specialization of an organization increases, OR is

Phillip Oh
Math494
Professor Shapiro
Queuing Theory
Queues waiting lines.
Queuing Theory The study of waiting in all of its various guises.
Queuing theory uses queuing models to represent the various types of queuing systems that arise
in practice.
The Ba

Phillip Oh
Math494
Professor Shapiro
Density Flow Relationship
Introduction
For decades, Los Angeles has been plagued with freeway traffic. Is there a way to fix
this? I came up with a mathematical model that shows the relationship between density and flo

Timothy Reese
Math 440B
05/04/12
ANOVA
26)
Two-way ANOVA: Concen versus Drug, Dog
Analysis of Variance for Concen
Source
DF
SS
MS
Drug
2
1.081
0.540
Dog
9
0.517
0.057
Error
18
2.208
0.123
Total
29
3.806
Drug
1
2
3
Mean
0.43
0.47
0.85
Dog
1
2
3
4
5
6
7
8
9

Timothy Reese
Math 440B
02/12/2012
Bootstrap Heart Rates
Confidence Interval for
Confidence Interval for
5th smallest of :-5.2
6th smallest of :-4.9
Midpoint:
5th largest of : 5.2
6th largest of : 5.1
Midpoint:
This gives the 95% confidence interval for :

BOOTSTRAPPING HOMEWORK
Not surprisingly, the pulse rates of skydivers increase dramatically at the
beginning of a jump. Here are the electronically monitored maximum heart rates of ten
Navy parachutists as they exited a plane flying at 10,000 feet:
160
18

Timothy Reese
Math 440B
03/07/12
Chapter 13.
5)
: Ethnic origin and attitudes toward roles of woman are independent. i.e
: They are not independent.
Chi-Square Test: C2, C3
Ethnic Origin
Yes
No
Expected counts are printed below observed counts
Chi-Square

Timothy Reese
05/02/12
One-Way ANOVA Homework
1. One of the symptoms of depression is a lack of enthusiasm for an activity that would
normally be enjoyable. A medication was developed that was designed to address this
problem. Fifteen volunteers were rand

Homework #1
Timothy Reese
01/30/12
5) Suppose that X is a discrete random variable with P (X = 1) = and
P (X = 2) = 1 . Three independent observations of X are made:
x1 = 1, x2 = 2, x3 = 2.
d) If has a prior distribution that is uniform on [0, 1], what is

Homework #2
Timothy Reese
02/01/12
62) Show that the gamma distribution is a conjugate prior for the exponential
distribution.
Proof. Likelyhood function: fX | (x|) =
Prior Gamma: f () = () 1 e
n
i=1
exi = n e
n
i=1
xi
n
Posterior: f|X (|x) n e i=1 xi 1 e

Phillip Oh
Math494
Professor Shapiro
First Mathematical Model
*Picture from http:/nexus.umn.edu/theses/shantanudas_thesis.pdf*
Qfin + Qiron = Qfout + Qirout
The above equation makes sense because the cars on the freeway must come out of the freeway.
But t

Phillip Oh
Math494
Professor Shapiro
First Idea & Stochastic Model
The following was an initial idea that I could not follow through on.
Focusing on a 10 mile stretch of freeway. Dividing the 10 mile stretch into sections of 1/10
mile. 100 separate sectio

Phillip Oh
Fin303OL
Prof. Yanbo
Chapter 12 Corporate Finance Article
Low-Cost Drugs in Poor Nations Get a Lift in Indian Court
NYTimes.com
04/01/13
Edited by Brahm Canzer
http:/www.nytimes.com/2013/04/02/business/global/top-court-in-india-rejects-novartis

Phillip Oh
Fin303OL
Prof. Yanbo
Chapter 11 Personal Reflection Essay
Chapter 11 is entitled Cash Flows and Capital Budgeting. It writes about evaluating aftertax free cash flows, the five rules for incremental after-tax free cash flow calculations,
foreca

Phillip Oh
Fin303OL
Prof. Yanbo
Chapter 11 Corporate Finance Article
How Bitcoin Works
CNNMoney.com
04/04/13
Edited by Brahm Cranzer
http:/money.cnn.com/video/news/2013/04/04/n-cmr-bitcoin-explainer-velshi.cnnmoney/
Questions for Discussion:
What is the d

Phillip Oh
Fin303OL
Prof. Yanbo
Chapter 10 Personal Reflection Essay
Chapter 10 is entitled The Fundamentals of Capital Budgeting. This chapter was mainly
about investment decisions, and the benefits of using certain methods. It went into detail about
the

Phillip Oh
Fin303OL
Prof. Yanbo
Chapter 10 Corporate Finance Article
Nike Soars Its Gotta Be The Shoes!
CNNMoney.com
03/22/13
Edited by Brahm Canzer
http:/money.cnn.com/video/investing/2013/03/22/investing-the-buzz-nike.cnnmoney/
Questions for Discussion:

Phillip Oh
Fin303OL
Prof. Yanbo
Chapter 9 Personal Reflection Essay
This chapter is entitled Stock Valuation. It described four different types of secondary
markets: direct search, broker, dealer, and auction. It also explained why many analysts (financia

Phillip Oh
Fin303OL
Prof. Yanbo
Chapter 8 Personal Reflection Essay
Chapter 8 is entitled Bond Valuation and the Structure of Interest Rates. It writes about
corporate bonds, bond valuation, bond yields, interest rate risk, and the structure of interest r

Phillip Oh
Fin303OL
Prof. Yanbo
Chapter 12 Personal Reflection Essay
Chapter 12 is entitled Evaluating Project Economics and Capital Rationing. It focuses on
various different objectives. For instance, how variable and fixed costs change the volatility of