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In this video I have solved an example in which I found the expected value, second moment, variance, and the standard deviation ...

This covers the basics of what a DRV is and how to calculate probabilities, as well as the cumulative distribution function. Watch it.

An introduction to random variables, focusing on discrete random variables and probability distribution tables with an example.

>> Instructor: In order to understand statistics and probability, you have to get a sense of what it means to have a random variable.

A short clip explaining what we need discrete probability distributions for.

The last lesson on DRVs. You need the handout to make your notes. This covers the special case of the... Discrete Uniform ...

This video challenges the learner to distinguish between the random variable, the values of the random variable, and the ...

How to calculate expected values and variables if you have a discrete probability distribution.

This introduces E(X) and Var(X), two very important concepts.

I explain how to calculate the mean (expected value) and variance of a continuous random variable. Tutorials on continuous ...

Or just shorthand this will be our CDF so since we're dealing with a discrete random variable we must know that being we can't be ...

I explain how to calculate the median of a continuous random variable. Tutorials on continuous random variables Probability ...

Shows how to compute the standard deviation or variance of a discrete random variable using a probability distribution table, ...

Albert, my cat, found a strange box in the attic. What the heck is it? The Poisson distribution: ...

calculating the expected value for a symmetric and discrete distribution.

Shows how to compute the mean (expected value) of a discrete random variable using a probability distribution table in Excel.

This video derives the expected value of a linear combination of random variables from first principles, showing that it is merely ...

Tutorials on continuous random variables Probability density functions (PDFs): http://www.youtube.com/watch?v=9KVR1hJ8SxI ...

Finding the mean and standard deviation in discrete probability distributions.