Bayes' theorem is expressed as P(A|B) = [P(B|A) × P(A)] / P(B). Here, P(A) is called the:
A. Likelihood
B. Posterior probability
C. Prior probability
D. Marginal probability
Answer: Option C
Solution (By JKSSB Mock Tests)
In Bayesian inference, P(A) is the prior probability, representing initial belief about hypothesis A before observing evidence B; P(A|B) is the updated posterior probability.
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