Exercise 7 Page 781

The value of a random variable is the numerical outcome of a random event. A random variable can be discrete or continuous. Discrete variables represent countable values. Continuous variables can take on any value.

Random Variable: Number of laps.
Classification: Discrete.
Explanation: See solution.

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The value of a random variable is the numerical outcome of a random event. A random variable can be discrete or continuous.

Discrete	Continuous
This type of variable represents countable values.	This type of variable can take on any value.

Let's now consider the given situation.

the number of laps that Jesse swims

The random variable is the number of laps that Jesse swims. The number of laps is countable, so the variable is discrete.

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Exercise 7 Page 781

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