posted by brian .
A college professor decides to run for Congress in a district with 450,000 registered voters. In a survey she commissioned, 58% of the 4000 registered voters interviewed indicated that they plan to vote for her. The population of interest is the:
A. 450,000 registered voters in the district
B. 42% or 1,680 voters interviewed who plan not to vote for her
C. 58% or 2,320 voters interviewed who plan to vote for her
D. 4,000 registered voters interviewed