SOLUTION: An urn contains 2 fair coins and a 2 headed coin. A coin is chosen randomly and tossed twice. Given that the result was HH, find the conditional probability that the fair coin was

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Question 1025870: An urn contains 2 fair coins and a 2 headed coin. A coin is chosen randomly and tossed twice. Given that the result was HH, find the conditional probability that the fair coin was chosen. Simplify in lowest terms.
Answer by Edwin McCravy(20060) About Me  (Show Source):