Math 311. Probability and Statistics I Welcome to Math 311 . This course is about: how to quantify randomness
Fall 2010 Course Outline & Syllabus
developing the basic analytic tools that will help you to make wise, nonrandom decision in situations lurke
MATH 311
Quiz 2
Name (please print):
Please justify your answers and show all of your work.
1. A production facility employs 20 workers on the day shift, 15 workers on the swing shift, and 10
workers on the graveyard shift. A quality control consultant is
Math 311. Probability and Statistics I
Midterm #1
Your name:
Reminder: Explain your answers. Show your work.
1
2
(1) (20pts) Seventy percent of the light aircraft that disappear while in ight in a certain country are subsequently discovered. Of the aircra
Quiz 1 Solutions
1. A certain system can experience three different types of defects. Let Ai
i = 1, 2, 3 denote the event that the system has a defect of type i. Suppose
P(A1 ) = 0.12, P(A2 ) = 0.07, P(A3 ) = 0.05,
P(A1 A2 ) = 0.13, P(A1 A3 ) = 0.14, P(A2
MATH 311 Quiz 2
l i
Name (please print): bOlUlL,
Please justify your answers and Show all of your work.
1. A production facility employs 20 workers on the day shift, 15 workers on the swing shift, and 10
workers onthe graveyard shift. A quality control c
/
Math 311: Probability and Statistics I, Sec. 003
Exam 2, May 21, 2008
Name
SOLvTI ON S
Solve all problems. Show all work. Give brief explanation. Use calculators.
1. Find the mean and standard deviation for a random variable X with a uniform
distributio

/
Math 311: Probability and Statistics I, Sec. 003
Exam 2, May 21, 2008
S~lve all problems. Show all work. Givjfrief
~ind
explanation. Use calculators.
the mean and standard deviation for a random variable X with a uniform
distribution: (15 pts)
X ~ f(X
/
Math 311: Probability and Statistics I, Sec. 003
Exam 1, April 23, 2008
c.,
NameK~e.
ill,c, ,
Solve all problems. Show all work. Give brief explanation to get credit!
'.
(points in parenthesis after problem number)
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(,hp
Pc str.I ~')
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p(s~1'
1
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Math 311: Probability and Statistics I, Sec. OOJ
Quiz 1, April 2, 2008
A box contains four 40.Wbulbs, five 60W bulbs, and six 75W
bulbs. If bulbs are selected one by one in random order, what is
the probability that at least two bulbs must be selected
Math 311: Probability and Statistics I, Sec. 003
Quiz 4, May 7, 2008
The Rockwell hardness of a metal is determined by impressing a hardened point into the
surface of the metal and then measuring the depth of penetration of the point. Suppose
the Rockwell
Math 311. Probability and Statistics I
Study guide for Final Exam
Your name:
Explain your answers.
1. Assume you roll two dice (independently) and let X = the absolute value of the
difference of the two numbers, and Y = the minimum of the two numbers.
Wha
Math 311. Probability and Statistics I
Practice Midterm #2
Your name:
Explain your answers.
1. Let X be a random variable with an exponential distribution with parameter > 0.
On the same axis, graph the probability density functions for = 1 and = 2.
Witho
Math 311. Probability and Statistics I
Your name:
Reminder: Explain your answers.
1
Midterm #1
1. If a publisher of nontechnical books takes great pains to ensure that its books are
free of typographical errors, so that the probability of any given page c
Math 311 601 CRN 16663
Fall 2016 Tentative Course Outline
Text: Probability and Statistics for Engineering and the Sciences by J. Devore, 9th Ed,Thomson/ Brooks/Cole
This is a tentative outline. It may be updated during the semester.
Dates
Material
Week
Quarter Calendar 20162017
Note: all dates are subject to change.
Monday, September 19, 2016
Friday, September 23, 2016
Friday, September 23, 2016
Friday, September 23, 2016
Sunday, September 25, 2016
Monday, October 10, 2016
Friday, November 4, 2016
Tues
Quiz 5 Solutions
1. Consider the probability distribution with density
k
x4 , x > 1,
f=
0,
x 1,
a) Determine the value of k.
We have that
Z
f (x)dx = 1.
Then
Z
f (x)dx = 1,
Z
1
Z
k
dx = 1,
x4
1
h 1 k i
0+
= 1,
3 x3 1
1 k
= 1,
0
3 13
k = 3.
0dx +
1
b) Ob
Math 311. Probability and Statistics I
Your name:
Reminder: Explain your answers.
1
Midterm #1
1. (10pts) If you toss an unfair coin 15 times and the probability that you get a head
each time is 0.6, what is the probability that you get more than 8 heads
Math 311. Probability and Statistics I
Your name:
Explain your answers.
1
Midterm #2
1. (25 pts) Let X be a random variable with an exponential distribution with parameter
> 0. On the same axis, graph the probability density functions for = 1 and = 2.
Wi
Quiz 2 Solutions
April 14, 2011
1
A production facility employs 20 workers on the day shift, 15 workers on the
swing shift, and 10 workers on the graveyard shift. A quality control consultant
is to select 6 of these workers for indepth interviews. The se
MATH 311 Quiz 4
30,205!th Q _
There are two problems on bothsides of this page. Justzﬁ» your answers and ShOW all ofyour work.
Name (please print):
1. The number of requests for assistance received by a towing service is a Poisson process with rate a m
MATH 311 Spring 2012
Probability and Statistics
Midterm Examination (April 30, 2012)
Name (please print):
This is a closedbook exam: no books, notebooks, notes, etc. are allowed. A cheat sheet (A4, double
sided) with formulae that might be useful on the
Math 311 Spring 2012
www.math.drexel.edu/jsa33/311.html
It is the prerogative of the instructor to change the course during the term. Any changes
will be communicated via the course website, so be sure to check it frequently. Course announcements, exam in