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# Conditional Probability

## P(B|A) = P(A and B)/ P(A)

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.

## Conditional Probability

This Concept introduces the student to conditional probability and its formula.

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## Conditional Probability

Compute conditional probabilities and use conditional probabilities to determine independence of events.

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• Video

## Conditional Probability Venn Diagram

Clarifies the definition of a conditional probability and explains its implications.

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• Video

## Calculating Probability: Dependent "And" Statements

Uses a problem to determine the process of calculating probability of dependent events.

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