From the course: Excel Statistics Essential Training: 1
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Discrete probability explained - Microsoft Excel Tutorial
From the course: Excel Statistics Essential Training: 1
Discrete probability explained
- [Instructor] For these next few sections, there are three new terms we need to understand, random variable, discrete, and continuous. Let's begin with random variable. Why random? Why do we use that word? Well, as we perform experiments, we need to understand that the value of the eventual outcome of the experiment is unknown, or random. This is why we call the result of an experiment a random variable. So the sum of dots on a single roll of two dice is a random variable. The amount of rain that will fall in New York this month is a random variable. The length of time you will wait in line at Starbucks tomorrow, that too is a random variable, as is the total number of drinks the 10th customer of the day orders. These random variables can either be discrete random variables or continuous random variables. Let's begin with discrete random variables. The number of drinks the next Starbucks customer will order is…
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