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Discrete and Continuous Random Variables

Variables that take on a finite number of distinct values and those that take on an infinite number of values

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Discrete vs. Continuous Random Variables

A discrete random variable is a random variable with a specific and countable set of possible values. 

continuous random variable is used to represent all of the possible values in a particular interval.

Which of the following are discrete random variables and which are continuous random variables?

distance around a randomly chosen lake

number of socks in a drawer

height of a randomly chosen child

weight of a randomly chosen rock from a pile

number of hours worked

temperature of water in a pool

number of defective tires in a production line

volume of water in a pool

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