# Lecture 7: Multiple Discrete Random Variables

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## Lecture Topics

 Multiple random variables Joint PMF Conditioning Independence More on expectations Binomial distribution revisited A hat problem

## 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
2 {'English - US': '/courses/electrical-engineering-and-computer-science/6-041sc-probabilistic-systems-analysis-and-applied-probability-fall-2013/unit-i/lecture-7/joint-probability-mass-function-pmf-drill-2/MIT6_041SCF13_Joint_PMF_Drill2_300k.srt'}Joint Probability Mass Function (PMF) Drill 2 (00:13:45) Katie Szeto

## Tutorial Problems

Review the tutorial problems in the PDF file below and try to solve them on your own.

## Problem Set and Solutions

Work the problems on your own and check your answers when you're done. Problem set 4 covers Lectures 6 and 7.

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