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OpenStudy (anonymous):
HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! PLEASE!!!!!!!!!! JUST 3 MORE ANSWERS!!!!!!!!!!!!!!!!!!!!!!!! PLEASE1!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Casey performs a survey to determine what students think about the pizza served in the cafeteria. Which is an unbiased representative sample of the population? A) the last twenty students to buy lunch B) every tenth student that enters the cafeteria C) the first 30 students to buy pizza D) every fifth student that buys something other than pizza
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