A survey of 4000 Americans found that 80 % agreed with the president on a certain issue.

Identify the population
A. The 4000 Americans interviewed
B. All American Voters
C. All Americans
D. The 3200 Americans who agreed


Identify the attribute of interest.
A. Agreeing with the President
B. Being one of the 4000 who agreed
C. Being an American Voter
D. Being one of the 3200 that agreed


Is the proportion 0.80 (80%) a population proportion or a sample proportion?
A. Population proportion
B. Sample proportion
C. None of the above