1
STAT 2060: Assignment 1
SOLUTIONS
1. An experiment consists of two steps. First a coin is ipped. if the outcome is tails, a die
is tossed. If the outcome is heads, the coin is ipped again.
(a) Which is the sample space for the experiment?
(i) S = cfw_T1
Stat 2080 - Winter 10 - Assignment 2 solutions - out of 50 points
1. Question 1
How many dierent ways are there of choosing 6 objects from a collection of 14 dierent
objects? Select the best answer. a. 3003 b. 3060 c. 48620 d. 210
(4)
Answer was a.
14! /(
CSCI 1101 Winter 2015
Lab. No. 7
SOLUTIONS
Exercise 1: Write a program that reads words into two ArrayLists list1 and list2 and then creates a third
ArrayList that contains words which are common to both list1 and list2. You may assume that the strings
ar
CSCI 1101 Winter 2015
Laboratory No.8
SOLUTIONS
Exercise 1:
/set a node at a given index to the given value
public void set(int index, String d)
cfw_
if (index<0 | index>=size()
System.out.println("Index out of bounds");
else
cfw_
Node curr = head;
for(in
Stat2080 - Winter 10 - Assignment 3 Solutions (out of 50 points)
1. Question 1
Human beta endorphin (HBE) is a hormone secreted by the pituitary gland under conditions of stress. An exercise physiologist measured the resting (unstressed) blood concentrati
Stat2080 - Winter 2010 - Assignment 1 Solutions (out of 50 points)
1. Question 1.
The Super Sneaker Company is evaluating two dierent materials, A and B, to be used
to construct the soles of their new active shoe targeted to city high school students in
C
1
STAT 2060: Assignment 2
SOLUTIONS
Note: There were variants for most of the questions, so the answers shown may not be correct
for your assignment. However the methods used for these questions would give the correct
answers for your assignment.
1. There
1
STAT 2060: Assignment 8
Solutions
1. Suppose a random sample of 50 bottles of CoughGone cough syrup was
collected and the alcohol content (in wt. percent) of each bottle
measured. A 90% condence interval for bottle true mean alcohol
content, was then de
1
STAT 2060: Assignment 7
SOLUTIONS
Note: There were variants for most of the questions, so the answers shown may not be correct
for your assignment. However the methods used for these questions would give the correct
answers for your assignment.
1. Suppo
STAT 1060 - Chapter 5 Notes
The Standard Deviation as a Ruler and Normal
Model
Dr. Ammar Sarhan
Department of Mathematics & Statistics, Dalhousie University
March 23, 2015
Dr. Ammar Sarhan
Exploring and Understanding Data
March 23, 2015
1 / 37
Distributio
(8)
(3)
(3)
Department of Mathematics and Statistics
Dalhouise University
STAT 1060 / MATH 1060 — Final Examination
Time and Date: 8:30 — 11:30, April 10, 2014
Last name First name
Name: Student ID: _——————
This ﬁnal exam is worth a total of 100 points.
STAT 1060 - Chapter 15 Notes
Sampling Distributions
Dr. Ammar Sarhan
Department of Mathematics & Statistics, Dalhousie University
April 6, 2015
Dr. Ammar Sarhan
Sampling Distributions
April 6, 2015
1 / 12
Main Points
Properties of a Statistic, such as sam
STAT 1060 - Chapters 14 Notes
Random Variables
Dr. Ammar Sarhan
Department of Mathematics & Statistics, Dalhousie University
April 4, 2015
Dr. Ammar Sarhan
Random Variables
April 4, 2015
1 / 33
Outcomes
Dene random variables.
Classify random variables to
STAT 1060 - Chapters 12 and 13 Notes
From Randomness to Probability
and
Probability Rules
Dr. Ammar Sarhan
Department of Mathematics & Statistics, Dalhousie University
March 24, 2015
Dr. Ammar Sarhan
Randomness and Probability
March 24, 2015
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Random
STAT 1060 - Module 1 - Quantitative Data - Chapter 3
Dr. Ammar Sarhan
March 15, 2015
The Main Points
Displaying and summarizing quantitative data.
Numerical measures:
Measures of location: Mean, median, mode and quartiles.
Measures of spread: Range, i
Introduction to Probability
and Statistics
Slides 2 Chapter 2
Ammar M. Sarhan,
[email protected]
Department of Mathematics and Statistics,
Dalhousie University
Fall Semester 2008
Chapter 2
Probability
Dr. Ammar Sarhan
2
Chapter Goals
After completin
Introduction to Probability
and Statistics
Slides 3 Chapter 3
Ammar M. Sarhan,
[email protected]
Department of Mathematics and Statistics,
Dalhousie University
Fall Semester 2008
Chapter 3
Discrete Random Variables
and
Probability Distributions
Dr.
Introduction to Probability and
Statistics
Slides 4 Chapter 4
Ammar M. Sarhan,
[email protected]
Department of Mathematics and Statistics,
Dalhousie University
Fall Semester 2008
Chapter 4
Continuous Random
Variables and
Probability Distributions
Dr
Introduction to Probability and
Statistics
Chapter 7
Ammar M. Sarhan,
[email protected]
Department of Mathematics and Statistics,
Dalhousie University
Fall Semester 2008
Chapter 7
Statistical Intervals
Based on a
Single Sample
Dr. Ammar Sarhan
2
Con
Stat 2080 - Winter 2010 - Assignment 4 Solutions (out of 50 points
1. Question 1
Suppose the salinity of water samples taken from 3 new and separate sites in the Bimini
Lagoon was measured with the results given below:
Site 1: 37.54 37.01 36.71 37.03 37.3
Introduction to Probability and
Statistics
Chapter 5
Ammar M. Sarhan,
[email protected]
Department of Mathematics and Statistics,
Dalhousie University
Fall Semester 2008
Chapter 5
Joint Probability Distributions
and
Random Samples
Dr. Ammar Sarhan
2
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{3}
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1. The l'ullcrwzing is a Iiiinitah 3tdﬂﬂ-it'ﬂf pint of the numb-er of day's that '11] 11911999 in a
1mL't-it'ular mm were an thﬁ market waiting in he WM.
Stem—aud—laaf of I31 H
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STAT 1060 - Module 1 - Quantitative Data - Chapter 4
Dr. Ammar Sarhan
March 15, 2015
The Main Points
The ve-number Summary.
Outliers.
Boxplots.
Comparing distributions.
Re-expressing (transforming) data.
1
The Big Picture
We can answer much more int
Chapter 20.4:
Hypothesis Test for the Mean
Holly Steeves
Dalhousie University
November, 2015
Holly Steeves (Dalhousie University)
Chapter 20.4: Hypothesis Test for the Mean
November, 2015
1/1
The one sample t-test is used when we want test possible values
Introduction to Probability and
Statistics
Chapter 5
Ammar M. Sarhan,
[email protected]
Department of Mathematics and Statistics,
Dalhousie University
Fall Semester 2008
Chapter 5
Joint Probability Distributions
and
Random Samples
Dr. Ammar Sarhan
2
Introduction to Probability and
Statistics
Slides 4 Chapter 4
Ammar M. Sarhan,
[email protected]
Department of Mathematics and Statistics,
Dalhousie University
Fall Semester 2008
Chapter 4
Continuous Random
Variables and
Probability Distributions
Dr
Introduction to Probability
and Statistics
Slides3 Chapter3
Ammar M. Sarhan,
[email protected]
Department of Mathematics and Statistics,
Dalhousie University
Fall Semester 2008
Chapter 3
Discrete Random
Variables and
Probability Distributions
Dr. Am
Solution - Practice problems - Chapter 3
Section 3.1
1.
2.
S:
FFF
SFF
FSF
FFS
FSS
SFS
SSF
SSS
X:
0
1
1
1
2
2
2
3
X = 1 if a randomly selected book is non-fiction and X = 0 otherwise
X = 1 if a randomly selected executive is a female and X = 0 otherwise
X
Practice problems Chapter 2
Dr. Ammar Sarhan
1
Section 2.1
1. Three components are connected to form a system as shown in the accompanying diagram.
Because the components in the 23 subsystem are connected in parallel, that subsystem will
function if at le
Practice problems Chapter 3
Dr. Ammar Sarhan
Section 3.1
1. A concrete beam may fail either by shear (S) or flexure (F). Suppose that three failed
beams are randomly selected and the type of failure is determined for each one. Let X =
the number of beams
Practice problems Chapter 2
Dr. Ammar Sarhan
Section 2.2
1. A mutual fund company offers its customers a variety of funds: a money-market fund, three
different bond funds (short, intermediate, and long-term), two stock funds (moderate and
high-risk), and