HSC Together Year 11 Maths Advanced: Conditional Probability

Maths Advanced

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Conditional Probability

In this post, we understand the notion of conditional probability and recognise and use language that indicates conditionality use the notation P(A|B) and the formula P(A|B) = \frac{P(A \cap B)}{P(B)}, P(B) \neq 0 . Conditional probability is the probability of A occurring, given that event B has already occurred.

 

What is Conditional Probability?

The following two videos give us an in-depth introduction to the concept.

Part 1:

 

Part 2:

 

Examples

The following video goes through examples, explaining the logical steps along the way.

 

Want to learn more? Check out more of our Preliminary Advanced Maths resources here!

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