Stat 100A/Sanchez
2. Conditional Probability
Exercise 2
Selling price
Under $300,000
$300,000 - $600,000
Over $600,000
Total
Days on the market
Less than 30 days
30 90 days
More than 90 days
39
31
15
35
45
4
8
4
0
82
80
19
Total
85
84
12
181
1. For the 18
Announcements
Introduction, Sample Space, Events
Juana Sanchez
[email protected]
UCLA Department of Statistics
J. Sanchez
Please, visit CCLE daily ccle.ucla.edu to stay current on what is
being done each week, access homework, practice exams, etc. If
Stat 100 -Intro Probability
Homework 1
J. Sanchez
UCLA Department of Statistics
PROVIDE THE INFORMATION REQUESTED IN THIS BOX:
LAST NAME: FIRST NAME: ID:
TODAYs DATE:
TAs NAME: , TIME OF YOUR TA SESSION:
Instructions
(1) YOU MUST WRITE YOUR ANSWERS IN
14.12.1
Bounds for Probability for one
random variable.
Chebyshevs theorem and
Markovs theorem. Law of large
numbers.
Stat 100A-Sanchez/Intro probability
Ross, Chapter 8, section 8.1, 8.2, a little of 8.4
Introduction to probability bounds. Markov
2. Conditional Probability
Exercise 2
Selling price
Under $300,000
$300,000 - $600,000
Over $600,000
Total
Days on the market
Less than 30 days
30 90 days
More than 90 days
39
31
15
35
45
4
8
4
0
82
80
19
Total
85
84
12
181
1. For the 181 house sales in t
Stat 100 -Intro Probability
Homework 1
J. Sanchez
UCLA Department of Statistics
Instructions
(1) No late homework accepted under any circumstances. If R script le is requested, it must be uploaded before the
deadline; hard copy part with answers must be t
Stat 100A -Intro Probability
Old Midterm 2
J. Sanchez
UCLA Department of Statistics
MUST DO BEFORE STARTING EXAM
UCLA ID: TA Session:
LAST NAME (Please, PRINT): (Put ID on your desk)
FIRST NAME:
(a) WRITE AND MARK YOUR NAME AND ID ON THE SCANTRON AND ON
Stat 100 -Intro Probability
Homework 3 Key Winter 2013
J. Sanchez
UCLA Department of Statistics
Instructions
(1) No late homework accepted under any circumstances.
(2) Must hand in in person to prof. Sanchez at the beginning of lecture. Homework turned in
Stat 100 -Intro Probability
TA Session
J. Sanchez
UCLA Department of Statistics
Question 1. Someone computed the probability of the event (EB)(EF)c as being 0.6. Which of the following events
has the same probability? (Note: as we have said several times,
Stat 100 -Intro Probability J. Sanchez
Homework 1 UCLA Department of Statistics
PROVIDE THE INFORMATION REQUESTED IN THIS BOX:
LAST NAME: ——————————— — — FIRST NAME: _ _ ID: _ _ _
TODAY‘S DATE: — — — — — _ _ _ _ _ _ _ _
TA‘s NAME: ———————————————————— —
/ 14F-STATS100A-1 / HOMEWORK / Homework 4 -Due Monday, October 27, before 11 AM (OPENS at 5 PM OCT 22)
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You roll two fair six-sided die and find the probability distributio
STAT 100A/Sanchez Practice questions for Midterm 2.
ANSWER KEY WILL BE GIVEN IN LECTURE ON WEDNESDAY. NO COMMENTS ON THIS EXAM
WILL BE GIVEN UNTIL THEN. AS I SUMMARIZE THE TOPICS FOR THE EXAM, STUDENTS
WILL BE ASKED TO ANSWER DIFFERENT QUESTIONS IN THE PR
Outline
Independent Events
I. Product rule for joint occurrence of events (review)
Juana Sanchez
[email protected]
UCLA Department of Statistics
J. Sanchez
II. Special case: product rule for independent events
III. Applications.
J. Sanchez
Stat 100A.
Stat 100A/Sanchez
Probability key
1. Probabilities from Tables of Counts
The table below contains information for sales of 4 bedroom houses in Auckland City in June,
July and August, 2004.
Exercise 1
Selling price
Under $300,000
$300,000 - $600,000
Over $
Stat 100 -Intro Probability
Homework 7
J. Sanchez
UCLA Department of Statistics
Instructions
(1) Homework must be stapled. Two columns not allowed.
(2) No late homework accepted under any circumstances. (There is NO R script le requested for this homework
The proportion of time X during a 40-hour week that a drug has effect on blood pressure is a r.v. with pdf of
f(X) = 2X,
0 <X
<1
What is the expected value of X?
Select one:
a. 0.678
b. 1.5
c. 0.333
d. 0.667
A certain firm produces resistors and markets t
Stat 100 -Intro Probability
Homework 3
J. Sanchez
UCLA Department of Statistics
Instructions
(1) Homework must be stapled. Two columns not allowed.
(2) No late homework accepted under any circumstances. (NO R script le requested for this homework. ) Hard
Stat 100 -Intro Probability
Homework 2
J. Sanchez
UCLA Department of Statistics
Instructions
(1) Homework must be stapled. Two columns not allowed.
(2) No late homework accepted under any circumstances. If R script le is requested, it must be uploaded bef
Stat 100 -Intro Probability
Practice midterm 1-Multiple choice part
J. Sanchez
UCLA Department of Statistics
DO NOT DETACH ANY PAGES FROM THIS EXAM. EXAM MUST STAY STAPLED DURING THE WHOLE
EXAM TIME.
UCLA ID: YOUR ID MUST BE WRITTEN
ON THE SCANTRON AND MU
Stat 100 -Intro Probability
Homework 7
J. Sanchez
UCLA Department of Statistics
PROVIDE THE INFORMATION REQUESTED IN THIS BOX:
LAST NAME: FIRST NAME: ID:
TODAYs DATE:
TAs NAME: , TIME OF YOUR TA SESSION:
Instructions
(1) YOU MUST WRITE YOUR ANSWERS IN
Stat 100 -Intro Probability
Homework 9
J. Sanchez
UCLA Department of Statistics
PROVIDE THE INFORMATION REQUESTED IN THIS BOX:
LAST NAME: FIRST NAME: ID:
TODAYs DATE:
TIME OF YOUR LECTURE ON MWF: ; TAs NAME:
Instructions
(1) YOU MUST WRITE YOUR ANSWERS
Stat 100 -Intro Probability
Homework 5
J. Sanchez
UCLA Department of Statistics
Some practice problems. Not to be turned in.
Problem 1. When shing o the shores of Florida, a spotted sea trout must be between 14 and 24 inches long before
it can be kept; ot
Stat 100 -Intro Probability
Old Hwk 4 problems
J. Sanchez
UCLA Department of Statistics
Old homework 4 problems to practice.
Problem 1. The monthly worldwide average number of airplane crashes of commercial airlines is 3.5. What is the
probability that th
Stat 100 -Intro Probability
TA session 2
J. Sanchez
UCLA Department of Statistics
PURPOSE OF THIS ACTIVITY
This activity is to get a little more acquainted with:
the software R, Rstudio, that we will use in the course;
the idea of random numbers and sim
Stat 100 -Intro Probability
Lie Detector Simulation
J. Sanchez
UCLA Department of Statistics
The Lie detector Test
After doing diligent work, a police detective arrested a suspect who is one of only three possible perpetrators of a
jewel theft. To strengt
Stat 100A -Intro Probability
Practice Midterm 1
J. Sanchez
UCLA Department of Statistics
MUST DO BEFORE STARTING EXAM
(a) WRITE AND MARK YOUR NAME AND ID ON THE SCANTRON
(b) WRITE YOUR NAME ON BOTH SIDES OF THE CHEAT SHEET.
(c) DO NOT DETACH ANY PAGES FRO
Stat 100A -Intro Probability
Practice Midterm 1
J. Sanchez
UCLA Department of Statistics
MUST DO BEFORE STARTING EXAM
(a) WRITE AND MARK YOUR NAME AND ID ON THE SCANTRON
(b) WRITE YOUR NAME ON BOTH SIDES OF THE CHEAT SHEET.
(c) DO NOT DETACH ANY PAGES FRO
Stat 100 -Intro Probability
Homework 1
J. Sanchez
UCLA Department of Statistics
Instructions
(1) No late homework accepted under any circumstances. If R script le is requested, it must be uploaded before the
deadline; hard copy part with answers must be t
Stat 100 -Intro Probability
TA session 1
J. Sanchez
UCLA Department of Statistics
PURPOSE OF THIS ACTIVITY
This activity is to start getting you acquainted with the software R that we will use in the course, and the idea of
random numbers and simulation,
Stat 100A -Intro Probability
Practice Final Exam
J. Sanchez
UCLA Department of Statistics
PLEASE DO THE FOLLOWING BEFORE YOU START
WRITE YOUR NAME and ID, AND BUBBLE THEM, ON THE SCANTRON. USE NO.2 PENCIL.
Write the COLOR of your exam in pencil on the t
Stat 100A-Introdctn Probability(2), Fall 2015/Sanchez
Course'Web'site:'http:/ccle.ucla.edu
!Audio/video!site:!http:/www2.oid.ucla.edu/webcasts/courses/2015-2016/2015fall."
Course materials for this class were developed in conjunction with the UCLA Library