In many settings, the "rules of probability" are just basic facts about percents. A company...
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In many settings, the "rules of probability" are just basic facts about percents. A company that offers courses to prepare students for the Graduate Management Admission Test (GMAT) has the following information about its customers: 20% are undergraduate students in business; 15% are undergraduate students in other fields of study; 60% are college graduates who are currently employed, and 5% are college graduates who are not employed. If we pick a customer at random, what is the probability that we get a customer that is an undergraduate?
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