Answer :
Considering the hypothesis tested, the most appropriate interval for the manager to use for such an estimate is given by:
b. A one-sample z-interval for a population proportion.
What is the most appropriate test?
The manager will sample some residents, and if the proportion who is in favor of the new park is high enough, he builds the new park.
For the most appropriate test, we have that:
- There is only one sample, hence it is a one-sample test.
- He will use the sample proportion to estimate the population proportion.
Hence, option B is correct.
More can be learned about an hypothesis test at https://brainly.com/question/16313918