The idea of a random variable can be surprisingly difficult. In this video we help you learn what a random variable is, and the difference between discrete and continuous random variables.
I work through a few probability examples based on some common discrete probability distributions (binomial, Poisson, hypergeometric, geometric — but not necessarily in this order). I assume that you’ve been previously introduced to these distributions (although this isn’t necessary for the geometric problem, as the probability is easily calculated from basic probability rules). Students sometimes […]