Quick Reference ~ A maths Dictionary for Kids by Jenny Eather Email jeather@iprimus.com.au A Maths Dictionary for Kids by Jenny Eather at www.amathsdictionaryforkids.com


Rr

random variable

• a variable whose value is the numerical outcome
of a probability experiment.

It is random because its value is
determined by chance.

• the set of outcomes of a random variable
is called the sample space.
• a random variable may have either discrete (exact) values
or continuous (infinite) values.
• indicated by a capital letter ... to distinguish it
from an algebraic variable.

EXAMPLES:
random variable


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