Mathematics GCSE
Inverse probability
What Inverse probability means in Mathematics GCSE, as defined for Pearson Edexcel.
Definition of Inverse probability
Check what you remember
Read the wording for your board, then hide it and explain Inverse probability in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: Pearson Edexcel
A problem like P(A | B) solved by finding P(A and B) by multiplying along branches, then dividing by P(B), which may require summing multiple path probabilities.
Topics that use Inverse probability
- Probability (Pearson Edexcel GCSE)
Related terms
- bias
- Conditional probability
- Equally likely outcomes
- Event
- Expected frequencies
- Expected frequency
- expected outcomes
- Fair randomising device
Using Inverse probability in the exam
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