A Pizza Chain Is Considering Opening a New Store in an Area

question 283

Multiple Choice

A pizza chain is considering opening a new store in an area that currently does not have any such stores. The chain will open if there is evidence that more than 5,000 of the 20,000 households in
The area have a favorable view of its brain. It conducts a telephone poll of 300 randomly selected
Households in the area and finds that 96 have a favorable view. Which of the following tests will
Be the most appropriate?

• A) t test for the mean.
• B) Z test for the proportion.
• C) Pooled-variance t test.
• D) Separate-variance t test.