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A polling organization contacts 2676 adults who are 20 to 90 years of age and live in Europe and asks whether or not they had voted in the last federal election.
What is the population in the study?
A. Adults who are 20 to 90 years of age. OB. Adults who are 20 to 90 years of age and have voted. 
C. Adults who are 20 to 90 years of age and live in Europe and have voted.
D. Adults who are 20 to 90 years of age and live in Europe.

What is the sample in the study?
A. Adults who are 20 to 90 years of age and live in Europe. 
B. The 2676 adults who are 20 to 90 years of age and have voted. 
C. Adults who are 20 to 90 years of age.
D. The 2676 adults who are 20 to 90 years of age and live in Europe.