# Discrete Random Variables

## A variable having a countable number of values

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## Discrete Random Variables

by CK-12 //basic
Introduces discrete random variables.
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## Discrete Random Variables

Introduces discrete random variables.
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## Understanding Discrete Random Variables

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## Discrete Random Variables

by Melissa Moreno //basic
Introduces discrete random variables.
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• PLIX

## Roll the Dice!

Discrete Random Variables Interactive
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• Video

## Discrete Random Variables Principles

by CK-12 //basic
This video gives more detail about the mathematical principles presented in Discrete Random Variables.
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• Video

## Discrete Random Variables Examples

by CK-12 //basic
This video shows how to work step-by-step through one or more of the examples in Discrete Random Variables.
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• Video

## Introduction to Random Variables

by CK-12 //basic
Defines types of random variables and discusses probability distributions.
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• Lesson Plan

## What are Variables? Lesson Plan

by CK-12 //basic
This lesson plan covers What are Variables? and includes Teaching Tips, Common Errors, Differentiated Instruction, Enrichment, and Problem Solving.
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• Critical Thinking

## Discrete Random Variables Discussion Questions

A list of student-submitted discussion questions for Discrete Random Variables.
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• Real World Application

## Tree Diagram

Students will determine which of the given sports outcomes can be represented with discrete random variables and why. Then they will represent those situations with tree diagrams.
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• Real World Application

## Tree Diagram

Students will determine which of the given sports outcomes can be represented with discrete random variables and why. Then they will represent those situations with tree diagrams.
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• Study Guide

## Discrete Probability Distribution Study Guide

This study guide looks at discrete probability distribution and random variables (and notation), the linear transformation of random variable, and characteristics (mean, standard deviation, expected value, standard deviation) of probability distributions.
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• Study Guide

## Discrete vs. Continuous Random Variables

by Danielle Pintz //basic
covers discrete and continuous random variables
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