STAT 249 Probability I
Instructor: L. Aggoun
Due Date: Jan. 24, 2017
Assignment#1
Q. 1) A group of five applicants for a pair of identical jobs consists of three
men and two women. The employer is to select two of the five applicants for
the jobs. Let S d
STAT 249 Probability I
Instructor: L. Aggoun
Due Date: April. 11, 2017
Assignment#5
Q. 1 A machine used to fill cereal boxes dispenses, on the average,
ounces per box. The manufacturer wants the actual ounces dispensed Y
to be within 1.5 ounce of at leas
STAT 249 Probability I
Instructors: L. Aggoun
Due Date: March 7, 2017
Assignment#3
Q. 1) You and a friend play a game where you each toss a balanced coin. If the upper
faces on the coins are both tails, you win $1; if the faces are both heads, you win $2;
STAT 249 Probability I
Instructor: L. Aggoun
Due Date: Feb. 8, 2017
Assignment#2
Q. 1) Cards are dealt, once at a time, from a standard 52-card deck.
a) What is the probability of 2 successive spades?
b) What is the probability of 3 successive spades?
c)
STAT 249 Probability I
Instructors: L. Aggoun
Due Date: March 21, 2017
Assignment#4
Q. 1) Let m(t) = (1/6)et + (2/6)e2t + (3/6)e3t . Find the following:
a E(Y )
b V(Y )
c The distribution of Y
Q. 2) If Y is a random variable with moment-generating functio
Homework Assignment 10, MAST 218/ MATH 264 , Winter 2017
due Wednesday, April 5, 2017 in class
Two Pages !
Solutions should be handwritten and submitted on paper, in class, not electronically. Solve the following problems
in detail, making sure that the c
Concordia University
Department of Mathematics and Statistics
Course
Number
STAT
249/2
Solution
Date
MidTerm
October 28, 2015
Instructor
Course Examiner
L. Aggoun
D. Sen
Section
2A
Time
1 Hours 10 minutes
Pages
2
Marks
40
[5] Q 1. A box contains 3 white b
Math 217, Probability and Statistics
Final Exam
14 Dec 2005
Your name:
You may refer to two sheets of notes on this! test, and you may use a calculator. You may
8 e1/3
if you like. Show all your work for credit.
leave your answers as expressions such as
Concordia University
Departlnent of Ma(hetratics & Statistics
Nrmber
Course
Sections
STAT
A
Examination
Date
Finrl
Instructors
December
Pages
4
21111
Course Examiner
L. Popovic and
W
\li
Sun
Srrr
Special Instructions:
>
Show your work in
sultcic t dctail
Concordia University
Department of Mathematics and Statistics
Course
Number
STA'1'
Examination
April 2013
Instructor
Final
F, DU
Section(s)
Atl
24e 14
T4A
Special Instructions:
Date
April 20111
Course Exanniner
Time
Pages
I
3 Hours
Marks
E,DIt,cfw_A
100
C
STAT 249
Name:
Student ID no.:
Midterm Exam
October 30, 2012
You have 2 hours
1. (a) Two dierent cards are randomly drawn from a standard deck of 52. Let A be
the event no , and B be the event at least one J. Find P (A B).
(b) Assume that each child who i
Concordia University
Department of Mathematics & Statistics
Number
Course
Sections
STAT
All
Exarnination
Date
Fin al
PagEes
Deciember 2012
4
Instructors
Course Examiner
Y.P- Chaubey and W. Sur
Special Instructions:
> Show your work in stfflcient deiaii an
Concordia University
Departlnent of Ma(hetratics & Statistics
Nrmber
Course
Sections
STAT
A
Examination
Date
Finrl
Instructors
December
Pages
4
21111
sh is
ar stu
ed d
vi y re
aC s
o
ou urc
rs e
eH w
er as
o.
co
m
Course Examiner
L. Popovic and
W
\li
Sun
Concordia University
Department of Mathematics & Statistics
Number
Course
Sections
STAT
All
Exarnination
Date
Fin al
PagEes
Deciember 2012
4
Instructors
sh is
ar stu
ed d
vi y re
aC s
o
ou urc
rs e
eH w
er as
o.
co
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Course Examiner
Y.P- Chaubey and W. Su
Department of Mathematics & Statistics
Concordia University
STAT 249
Probability I
Fall 2016
Instructor:
Dr.WeiSun
Office/TelNo:
LB92117/(514)8482424,ext.5218
OfficeHours:
Mondays,11:0012:00;Wednesdays,15:0016:00
Text:
MathematicalStatisticswithApplicatio
STAT 249/2 (2016)
Sample questions for final
1. Let A and B be two events. Suppose P (A) = P (B|A) = 0.3 and P (B) = 0.2. Are A and B
independent? Find P (A B).
Solution: Not independent since P (B|A) 6= P (B).
P (A B) = 1 P (A B) = 1 P (A) P (B) + P (A B
STAT 249
Midterm Review Questions
1. (a) A computers random digit (cfw_0, 1, . . . , 9) generator is run twice. What is the
probability that the second number generated is strictly bigger than the first one?
(b) Four cards are drawn with replacement from
Department of Mathematics & Statistics
Concordia University
STAT 249
Probability I
Winter 2017
Instructor:
Dr. L. Aggoun, Office: LB 921-21 (SGW), Phone: 514-848-2424, Ext. 3252
Email: [email protected]
Office Hours:
Tuesdays, Thursdays, 10:30-1
Chapter 5: Multivariate Probability Distributions
[Solutions below are taken from Instructors Resource CD-ROM for Wackerly, Mendenhall
and Scheaffers Mathematical Statistics with Applications, 7th Ed.]
5.1
a. The sample space S gives the possible values f
Stat 249 , Winter 2015, Midterm Test
Marks:
3 Problem 1:
A large group of people is to be checked for two common symptoms of
a certain disease. It is thought that 20% of the people possess symptoms A alone,
30% possess symptoms B alone, 10% possess both
Stat 249/2 (Fall 2016)
Assignment-1
The exercise numbers below are those from the text by Wackerley, Mendenhall
and Scheaffer (7th. ed.). Do all the problems. For the purpose of grading, four or
five questions will be chosen. Show your work in sufficient
Stat 249/2 (Fall 2016)
Assignment-2
The exercise numbers below are those from the text by Wackerley, Mendenhall
and Scheaffer (7th. ed.). Do all the problems. For the purpose of grading, four or
five questions will be chosen. Show your work in sufficient