Question 7.1

1. An opinion poll contacts 1021 adults and asks them, “Which political party do you think has better ideas for leading the country in the 21st century?” In all, 723 of the 1021 say “the Democrats.” The sample in this setting is

  1. all 220 million adults in the United States.
  2. the 1021 people interviewed.
  3. the 723 people who chose the Democrats.

1.

b