Lecture 5: Discrete Random Variables; Probability Mass Functions; Expectations

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Lecture Topics

Lecture_5.jpg
  • Random Variables
  • Probability of Mass Function (PMF)
  • Expectation
  • Variance

Lecture Activities

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 Help Videos

PROBLEM # PROBLEM TITLE PROBLEM SOLVED BY
2 PMF of a Function of a Random Variable (00:15:26) Katie Szeto

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.

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