The chartered financial analyst (CFA) Is a designation earned after taking three annual exams (CFALI, and I). The exams are taken in earty June. Candidates who pass an exam are eligible to take the exam for the next level in the following year The pass rates for levels I, I, and l are 0.55, 08, and 0.83, respectively. Suppose that 3,000 candidates take the level I exam, 2,500 take the level Il exam and 2.000 take the level I exam A randomly selected candidate who took a CFA exam tells you that he has passed the exam What is the probabaty that he took the CFAI exam?

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