HSC Together Year 11 Maths Advanced: Conditional Probability

• Working With Functions
• Trigonometric Functions
• Calculus
• Exponential and Logarithmic Functions
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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.

### Examples

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

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