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题目选项分析

Roland: The alarming fact is that 90 percent of the people in this country now report that they know someone who is unemployed.

Sharon: But a normal, moderate level of unemployment is 5 percent, with 1 out of 20 workers unemployed. So at any given time if a person knows approximately 50 workers, one or more will very likely be unemployed.

Sharon's argument is structured to lead to which of the following as a conclusion?

【选项】If at least 5% of workers are unemployed, the result of questioning a representative group of people cannot be the percentage Roland cites.

选项是否正确?

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题目基本信息

  • 所属科目:逻辑CR
  • 题目来源1:PREP07 Test 1-57
  • 题目来源2:PREP2012-2
正确率:69%