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Mathematics 21 Online
OpenStudy (anonymous):

A class of 12 girls and 14 boys is going to choose 3 students to represent them in student government. Annie suggested that the first 3 students to arrive in class the next day should be the representatives. Karen suggested that each student roll 2 numbers cubes and the 3 students with the highest sum should be the representatives. Whose method would result in a fair sample that represents the class population, and why?

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