AgileMind Algebra 2 Unit 18 Vocab

Simple Definition: In math, an ________ is something that could happen in an experiment. Since there are many outcomes, or results that could happen, there are many events in experiments.

Simple Definition: The chance of multiple things happening. For example, what’s your chance of winning the lottery AND getting a flat tire in the same day?

Simple Definition: Something that is ______________, means that it’s fair or it “makes sense.”

Simple Definition: Having _____ means you don’t believe something.

Simple Definition: __________ _____ means “It makes sense to not believe something.”

Simple Definition: The total number of ways something can be ordered or counted.

The total number of ways something can be arranged or counted, but the order doesn’t matter.

Simple Definition: Something that two things have in common

Simple Definition: Multiplying together ALL numbers smaller than a given number. It is written with an exclamation point.

ex:  $7!=7\times6\times5\times4\times3\times2\times1$  

Formal: A set of possible outcomes resulting from a particular experiment. For example, a possible _____ when a single six-sided die is rolled is {5, 6}. That is, the roll could be a 5 or a 6. In general, an _____ is any subset of a sample space (including the possibility of an the empty set).