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A professor surveys her class about whether the number of breaks is adequate for the three-hour course. for her survey, she assigns a number to each student's name so that 20 students can be randomly chosen by her computer program. her survey will be both a representative and a(n) _____ sample.

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Her survey will be both a representative and a random sample. The sample is random since the students are randomly chosen by the professor's computer program and each student has an equal chance of being chosen. The survey is representative since the student chosen will represent the whole class.

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