Lecture Topics

Lecture Activities
 Watch the
Lecture 5: Discrete Random Variables; Probability Mass Functions; Expectations Video
Lecture 5: Discrete Random Variables; Probability Mass Functions; Expectations Video
> Download from iTunes U (MP4  110MB)
> Download from Internet Archive (MP4  110MB)
 Review the Lecture 5: Discrete Random Variables; Probability Mass Functions; Expectations Slides (PDF)
 Read Sections 2.1–2.3 and start Section 2.4 in the textbook
Recitation Problems and Recitation Help Videos
Review the recitation problems in the PDF file below and try to solve them on your own. One of the problems has an accompanying video where a teaching assistant solves the same problem.
Recitation Help Videos
PROBLEM #  PROBLEM TITLE  PROBLEM SOLVED BY 

3  Sampling People on Buses (00:11:56)  Jimmy Li 
Tutorial Problems and Tutorial Help Videos
Review the tutorial problems in the PDF file below and try to solve them on your own. One of the problems has an accompanying video where a teaching assistant solves the same problem.
 Tutorial 2 Problems (PDF) Do ONLY problem 2
 Tutorial 2 Solutions (PDF)
Tutorial Help Videos
PROBLEM #  PROBLEM TITLE  PROBLEM SOLVED BY 

2 
PMF of a Function of a Random Variable (00:15:26) PMF of a Function of a Random Variable > Download from iTunes U (MP4  50MB) > Download from Internet Archive (MP4  50MB)  Katie Szeto 
 Tutorial 3 Problems (PDF) Do ONLY problem 1
 Tutorial 3 Solutions (PDF)
Problem Set and Solutions
Work the problems on your own and check your answers when you're done. Problem set 3 covers Lectures 4 and 5.