## Expected value of a discrete random variable

Finding the expected value (or mean) of a discrete random variable.

From Khan Academy

Finding the expected value (or mean) of a discrete random variable.

From Khan Academy

An introduction to the concept of the expected value of a discrete random variable. I also look at the variance of a discrete random variable. The formulas are ...

From jbstatistics

An introduction to the expected value and variance of discrete random variables. The formulas are introduced, explained, and an example is worked through.

From jbstatistics

statisticslectures.com - where you can find free lectures, videos, and exercises, as well as get your questions answered on our forums!

From statslectures

Expected value of a random variable.

From Khan Academy

This channel is managed by up and coming UK maths teachers. Videos designed for the site by Steve Blades, retired Youtuber and owner of m4ths.com to assist ...

From ukmathsteacher

The mean of a discrete probability distribution is all so know as the expected value. The expected value has wonderful application to a wide variety of fields one ...

From Mathbyfives

Demonstrates how to find the mean and standard deviation of discrete (countable) random variables BY HAND. It's long and tedious, and involves lots of steps.

From poysermath

Instructions for die roll simulation, http://spreadsheets.about.com/od/spreadsheetlessons/ss/080218_diceroll.htm.

From KeysToMaths1

Computing the expected value of a random variable X.

From Dragonfly Statistics

Finding the mean/expected value of a discrete random variable. Includes demonstration of the ClassPad "Statistics" facility.

From Jennifer Blackweir

A simple explanation of the mean and expected value of a discrete random variable.

From Engineer Clearly

Watch the next lesson: ...

From Khan Academy

This channel is managed by up and coming UK maths teachers. Videos designed for the site by Steve Blades, retired Youtuber and owner of m4ths.com to assist ...

From ukmathsteacher

Demonstrates how to find the Mean (Expected Value) and Standard Deviation of discrete random variables using MS Excel (version 2007).

From poysermath

https://www.iitutor.com https://www.primeeducation.com.au/ We are going to cover expected value theorems from a Probability distribution table. The coefficients ...

From iitutor.com

Excel 2010: Mean, Standard Deviation, and Variance of a Discrete Random Variable. See www.mathheals.com for more videos.

From David Hays

This lesson defines expected value and provided two examples of how to find expected value of an event. Site: http://mathispower4u.com.

From Mathispower4u

I hope you found this video useful, please subscribe for daily videos! WBM Foundations: Mathematical logic Set theory Algebra: Number theory Group theory Lie ...

From WelshBeastMaths

Defining discrete and continuous random variables. Working through examples of both discrete and continuous random variables. Practice this lesson yourself ...

From Khan Academy

We introduce the topic of conditional expectation of a discrete random variable.

From Ben1994

Finding Expected Value.

From Dane McGuckian

Watch more tutorials in my Edexcel S2 playlist: http://goo.gl/gt1up This is the third in a sequence of tutorials about continuous random variables. I explain how to ...

From MrNichollTV

I show you how to find the mean and standard deviation of a discrete random variable with your TI-NSPIRE. Check out http://www.ProfRobBob.com, there you ...

From ProfRobBob

Expected value of binomial variable.

From Khan Academy

Basic idea and definitions of random variables Practice this lesson yourself on KhanAcademy.org right now: ...

From Khan Academy

In this video I discuss Discrete vs. Continuous Random Variables and how to find the mean/expected value, variance, and standard deviation of a distribution of ...

From MaestasMath

This video shows you how to get the Mean and Standard Deviation of a Discrete Random Variable - Probability Distribution. A TI 84 is used.

From Cody Tabbert

In this video you learn how to find the expected value of a discrete random variable. This one is the number of dots on a die.

From calculuscoaches

This is a simple, explicitly worked-out example of calculating the expected value and the variance of the sum of two independent random variables from scratch.

From David Metzler

Use the TI-84 to find the mean, variance and standard deviation of a discrete random variable. Check out my website for more help: http://mathandstatshelp.com/

From Math and Stats Help

Statistics 101: Discrete Random Variable Variance. In this video we continue our discuss about expected value. The expected value is simply the mean of a ...

From Brandon Foltz

Practice this lesson yourself on KhanAcademy.org right now: ...

From Khan Academy

Go to http://www.examsolutions.net/maths-revision/index.php to see the main index of maths video tutorials.

From ExamSolutions

MIT 6.041 Probabilistic Systems Analysis and Applied Probability, Fall 2010 View the complete course: http://ocw.mit.edu/6-041F10 Instructor: John Tsitsiklis ...

From MIT OpenCourseWare

Course web page: http://web2.slc.qc.ca/pcamire/

From slcmath@pc

statisticslectures.com - where you can find free lectures, videos, and exercises, as well as get your questions answered on our forums!

From statslectures

Let's prove that Var(X) = E(X^2) - [E(x)]^2 using the properties of E(X), which is a summation! We also review the definition of variance for discrete random ...

What is a discrete probability distribution? How do you find the probability of a discrete probability distribution (when given a table)? How do you calculate the ...

From Dan Ozimek

Probability density functions for continuous random variables. Practice this yourself on Khan Academy right now: ...

From Khan Academy

I work through an example of deriving the mean and variance of a continuous probability distribution. I assume a basic knowledge of integral calculus.

From jbstatistics

PWatch the next lesson: ...

From Khan Academy

Conditional expectation -- Example 1.

From Lawrence Leemis

1. Random Variable A random variable is a real valued function defined on a sample space S of an experiment. In other words, to each one of the outcomes of ...

From Dr. Sonendra Gupta

Mean and Variance of Bernoulli Distribution Example Watch the next lesson: ...

From Khan Academy

Watch more videos in the Chapter 3: Discrete Random Variables playlist here: https://youtube.com/playlist?list=PL-qA2peRUQ6orivhLoqMqJXAmb-b2NB85 To ...

From Probability Course

This video shows you how to construct an excel sheet that will compute the Mean, Variance, and Standard Deviation of a Discrete Random Variable - Probability ...

From Cody Tabbert

Expectation and Variance of aX + b where a and be are constants, and X is a random variable with finite mean and variance. A derivation of the formulas is ...

From Actuarial Path