Solve.
-To estimate the number of people in Springfield, population 10,000 , who have a swimming pool in their backyard, 250 people were interviewed. Of those polled, 125 had a swimming pool. How many people in the city might one expect to have a swimming pool? (Round to the nearest whole number, if necessary.)
A) 20,000 people
B) 5000 people
C) 500 people
D) 3 people

Question

Quizplus · Accepted Answer

The sample shows that 50% (125 out of 250) of the people interviewed have a swimming pool. Applying this percentage to the entire population of 10,000, we estimate that 50% of 10,000, or 5,000 people, might have a swimming pool.

Solve. -To Estimate the Number of People in Springfield, Population 10,000