The normal distribution SOLUTIONS
A5.1. Instructions for the use of the normal distribution functions NORM.S.DIST,
NORM.S.INV, NORM.DIST, and NORM.INV are provided in section E4.4 of the
Excel notes in the Software Inform
ETF5900 TUTORIAL 3 SOLUTIONS
PART B (To be completed during the tutorial):
PlanFinan Pty Ltd
PlanFinan is a financial planning organisation. The data in PlanFinan.xlsx was obtained from
PlanFinans database of a particular group of clients. Definition
ETF5900 Business Statistics
PART A (To be completed for homework and submitted online by 4pm the day before your
Week 6 tutorial)
A manufacturing company produces steel housings for electrical equipment. The main
component of the housing
People sell the infant milk powder to China, which makes Chinese baby better off and causes the
milk powder shortage in Australia. However, it also improves the local economic to some extent
So, can we say it is the Pareto improvement?
(a) (14+6)/100 = 20% of the insured employees are older than 50 years of age.
(b) (21+14+6)/100 = 41% of the term policies carries a face value of $40,000 or less.
Solutions for Sample Exam 2
.Question 1 [3+4+3 = 10 marks]
1. A credit card companys records show that 5% of their customers fail to pay the minimum
repayment on their credit card each month. The companys records also show that among
their customers in
Office Use Only
Sample Exam 3
TITLE OF PAPER:
3 hours writing time
THIS PAPER IS FOR STUDENTS STUDYING AT: (office use only tick where applicable)
ETX1100/ETF5900 Business Statistics
2015 Semester 1
Week 02: Pivot Tables
Week 02 is the first week of our flipped classroom approach.
The activities associated with the Week 02 Pivot Tables topic consist of
completing these Week 02 P
ASSESSMENT COVER SHEET
Students I.D. number
Title of assignment
Assignment 1: Descriptive Statistics
Name of lecturer
Name of tutor
Tutorial day /time
During the past decade many smokers have attempted to quit.
Unfortunately, nicotine is highly addictive. A researcher from the Addiction
Research Council wanted to determine why some people quit for good while
others relapse. He surveyed 100 p
Confidence Interval Estimation
Berenson et al Basic Business Statistics 4th edition,
Chapter 8 Sections 8.1, 8.2, 8.3
Chapter 7, Section 7.3.
Estimation of the populat
x^2crit = 37.566
X^2crit = 31.410
If the x^2 calc is greater than critical value, we can reject Ho. The sample does provide
enough evidence to against Ho. That is, the two attributes are dependent.
a). Is this data cross-sectional or time series? Explain your answer.
The data of CEO Compensation 2008 is cross-sectional.
The data collects at the same time.
b). State what type of data each of the variables below are, i.e. categor
ETF2700/ETF9700 Mathematics for Business
WEEK 02 Tutorial Exercises
(Week 01 lecture content)
Tutorials deal with only a SAMPLE of the units content. You are expected to do all of the
relevant readings and exercises as outlined in the Weekly Schedule.
ECF5953 2015 Semester 1
Chapter 33 Problems and Applications 11
If firms become very optimistic about future business conditions and invest a lot, the result is
shown in Figure 33.9. The economy begins at point A with aggregate-demand curve A
ECF5953 2015 Semester 1
Chapter 31 Problems and Applications 6
Australian cattle growers who export their beef overseas would not be happy if the Australian
dollar appreciated. They would then get less Australian dollars for each unit
DESCRIPTIVE STATISTICS I
Introduction and Data Collection
Presenting Univariate Data in Tables and Charts
Berenson et al Basic Business Statistics 3e,
Chapter 1, all
Chapter 2, 2.1 2.4, 2.6
Solutions for Sample Exam 3
A television cable company receives numerous phone calls throughout the
day from customers reporting service problems as well as from potential
customers. Most of these callers are put on hold until an operator is av