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.

Question

Quizplus · Accepted Answer

A Z test for the proportion is appropriate here because the problem involves testing a hypothesis about a population proportion (households with a favorable view) based on a sample proportion.

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