A local planning commission is interested in finding out what proportion of its city's residents is opposed to constructing a new baseball stadium in the downtown area. A random sample of 1870 residents is obtained, and 41.2 percent of them are opposed to the stadium.
In this sample, the proportion of the city's residents opposed to constructing a new baseball stadium in the downtown area is:
A)770.
B) 2.3 percent.
C) 41.2 percent.
D) 0.023 percent.

Question

Quizplus · Accepted Answer

The sample proportion of 41.2 percent represents the proportion of the 1870 residents in the sample who are opposed to the stadium. It does not represent the proportion of the entire city's residents. Therefore, we cannot conclude anything about the proportion of the city's residents from this sample proportion.

A Local Planning Commission Is Interested in Finding Out What