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In the 2012 presidential election, exit polls from the critical state of Ohio provided the following results: Obama Romney No college degree (60%) College graduate (40%) 52% 47% 45% 51% If a randomly selected respondent voted for Obama, what is the probability that the person has a college degree? Round your answer to 3 decimal places (e.g. 0.987)

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Prob. (respondent has a college degree | respondent voted for Obama) = Prob.(respondent voted for Obama and has a college degree)/Prob.(respondent voted for Obama) = (0.47 * 0.40)/((0.47 * 0.40) + (0.52 * 0.60)) = 0.376.

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