The city of Hamden received money for improvements of the town’s park. The park committee polled a random sample of 75 residents from the town. Of the 75 residents, 27 would like to see more trees planted in the park. From this information, what can be inferred?
Answer
A
About a third of the residents prefer a park improvement of more trees.
B
Exactly 36 percent of the residents in the town would like more trees in the park.
C
Most residents in the town would like to have more trees in the park.
D
Residents who use the park the most would like more trees planted.
Explanation
In the random sample, 27 of 75 residents preferred more trees. The proportion is 27 ÷ 75 = 0.36, or 36%, which is about one third. Because this is a sample, we cannot conclude that exactly 36% of all residents prefer more trees; the best inference is that about a third do.
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