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

A ** 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