Odds and Probability

Identifying the odds of something happening is a little different that calculating the probability. It is written as a ratio; however, it is not written as a fraction.

Odds

The odds in favor of an event is the ratio of the number of ways the outcome can occur to the number of ways the outcome cannot occur.

# of ways the event CAN occur : # of ways the event CANNOT occur.

This is actually a lot easier than probability. So, let's take a look at an example.


Example 1

odds and probability

Odds and probability is pretty easy! Just remember to use a colon instead of a fraction. Also, remember that you are comparing the number of ways the outcome can occur to the number of ways the outcome cannot occur (not the total outcomes).

Are you ready to try a problem on your own?



odds practice

Practice Problem

odds and probability






Answer Key

odds and probability

Great job with odds and probability. This unit is almost over!



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