Consider the following Bayesian network for another version of the medical diagnosis example, where B=Bronchitis, S=Smoker, C=Cough,

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Consider the following Bayesian network for another version of the medical diagnosis example, where B=Bronchitis, S=Smoker, C=Cough, X=Positive X-ray and L=Lung cancer and all nodes are Booleans.

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List the pairs of nodes that are conditionally independent in the following situations:
1. There is no evidence for any of the nodes.

2. The cancer node is set to true (and there is no other evidence).
3. The smoker node is set to true (and there is no other evidence).
4. The cough node is set to true (and there is no other evidence).

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Bayesian Artificial Intelligence

ISBN: 9781439815915

2nd Edition

Authors: Kevin B. Korb, Ann E. Nicholson

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