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Author Question: When 10 adults are tested for high blood pressure, at least one of the results are positive. A) ... (Read 174 times)

jerry coleman

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When 10 adults are tested for high blood pressure, at least one of the results are positive.
 
  A) Nine of the adults have high blood pressure.
  B) None of the adults have high blood pressure.
  C) All of the adults have high blood pressure.

Question 2

A researcher interviews 19 work colleagues who work in his building.
 
  A) Systematic B) Convenience C) Stratified D) Random E) Cluster



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xiaomengxian

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Answer to Question 1

B

Answer to Question 2

B





 

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