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Conditional Probability Formula

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More Lessons for Grade 11

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Videos, worksheets, solutions, and activities to help Algebra II students learn about conditional probability.

What is the formula for conditional probability?
The formula for conditional probability is
\[p(B|A) = \frac{{p(A \cap B)}}{{p(A)}}\]

Conditional Probability, part 1
An introduction to the concept of conditional probability
Conditional Probability, part 2
Solving a coin-toss problem with conditional probability.

Conditional probability - introduction
Phrasing of conditional probability questions and their calculation
Conditional probability: Part 2 (Independence)
Conditional probability is used to introduce the notion of independent events


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