Probability theory
Total probability for two hypotheses
Total probability for two hypotheses measures the likelihood of an event on a scale from zero to one.
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P(A)=P(H₁)P(A|H₁)+P(H₂)P(A|H₂)
- 01Given
- 02Calculation
- 03Answer
What it means
Total probability for two hypotheses measures the likelihood of an event on a scale from zero to one.
How it works and where it is used
Use this calculation for updating probabilities from evidence and evaluating tests, risks, and diagnostic decisions.