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

question 133

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.

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Definitions:

Conversion Formulas

Mathematical equations used for converting units from one system to another, e.g., from metric to imperial.

Conversion Formula

A mathematical formula used to change a measurement from one unit to another.

Milligrams

A unit of mass equal to one thousandth of a gram, commonly used to measure small quantities of substance.

Grams

A metric unit of weight equivalent to one thousandth of a kilogram, widely used in science and everyday commerce.