# Definition of Probability

## Probability = # of Favorable Outcomes/# of Possible Outcomes

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.
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## Definition of Probability

by CK-12 //at grade
Learn the definition of probability and how to write statements of probability.
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## Definition of Probability

by CK-12 //at grade
Learn the foundations for calculating probability, including how to evaluate the probability of an event occurring.
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## It's in the Bag!

by CK-12 //at grade
Definition of Probability Interactive
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• Real World Application

## Odds of Death

by CK-12 //at grade
Learn how to use probability to make sense of our dangerous world.
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• Real World Application

## Probable Winds

by CK-12 //at grade
Learn how hurricanes are predicted.
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