A city council member wants to understand residents' opinions on building a new community park. For one hour on a Saturday morning, she stands at the entrance of an existing park and asks every person entering, "Do you support the construction of a new community park?" Of the people surveyed, 95% responded "Yes." Which of the following best explains why these results are unlikely to represent the sentiments of all residents in the city?
The survey was conducted only for one hour.
People who visit existing parks are more likely to support new parks.
The council member did not ask enough questions.
Not all residents visit parks.
