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You are evaluating two mutually exclusive hypotheses H1 and H2 in light of evidence E, and your probability assignment is as follows: Prior probabilities: P(H1)=
You are evaluating two mutually exclusive hypotheses H1 and H2 in light of evidence E, and your probability assignment is as follows:
Prior probabilities: P(H1)= .2 and P(H2)= .5
Likelihoods: P(E|H1)= .8 and P(E|H2)= .4
- What is the Bayes Factor in this case?
- Which of the two hypotheses, H1 and H2, does evidence E favor in this case?
- What is the prior probability of the catch-all (neither H1 nor H2) hypothesis HC in this case?
Part 2
Suppose further (for the sake of the argument) that you assign the likelihood P(E|HC) = .1 to the
catch-all hypothesis HC
- What is the prior probability of evidence E in this case?
- What is the posterior probability P(H1|E) of hypothesis H1 given evidence E in this case?
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