Evidence Under Bayes Theorem - Examples

Examples

There are some famous cases were Bayes' theorem can be applied.

  • In the medical examples, a comparison is made between the evidence of cancer suggested by mammograms (5% show positive) versus the general risk of having cancer (1% in general): the ratio is 1:5, or 20% risk, of having breast cancer when a mammogram shows a positive result.
  • A court case which argued the probabilities, with DNA evidence, is R v Adams.
  • In cases where background noise and transfer occur (fibers, glass, gunshot residue)

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