A Random Variable

question 129

Multiple Choice

A random variable:

• A)Is the result of a measurement.
• B)Can only be discrete.
• C)Can be thought of as representing an uncertain numerical outcome to an experiment.
• D)Is a binomial,Poisson,or hypergeometric variable.

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Definitions:

A/C System

Air Conditioning System, a system for controlling the humidity, ventilation, and temperature in a vehicle or building.

Boil Point

The temperature at which a liquid turns to vapor.

Pressure Relief Valve

A pressure-limiting device that trips at a predetermined pressure to define circuit pressure or act as a safety device. A safety pop-off valve is one type of pressure relief valve.

High-Pressure Cut-Off Switch

A safety feature in systems that automatically stops the system when the pressure exceeds a predefined limit to prevent damage.