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>**Probability** < you are here

likelihood that something will happen. Probability

is expressed as a number between 1 and 0.

Probability of 1 can be considered a certainty.

The probability that it will rain again one day is 1.

Probability of 0 means the event is impossible. The

Probability that you will live forever is 0.

Probability can be fractions, decimals or percents.

to have equal odds of occurring or not occurring.

below will land on red.

Example:

Answer P(Red) =

as a percent 25%

as a decimal .25