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

Since the question is about the proportion of households in the area with a favorable view of the pizza chain, a z test for the proportion would be most appropriate.

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