A Consumer Group Plans to Test Whether a New Passenger

question 159

Multiple Choice

A consumer group plans to test whether a new passenger car that is advertised to have a mean highway miles per gallon of at least 33 actually meets this level. They plan to test the hypothesis using a significance level of 0.05 and a sample size of n = 100 cars. It is believed that the population standard deviation is 3 mpg. Based upon this information, if the "true" population mean is 32.0 mpg, what is the probability that the test will lead the consumer group to "accept" the claimed mileage for this car?

• A) About 0.45
• B) Approximately 0.0455
• C) About 0.9545
• D) None of the above

---

Definitions:

Schema

A cognitive framework or concept that helps organize and interpret information, consisting of all one's knowledge and expectations about a particular concept or object.

Schema

Cognitive frameworks or concepts that help individuals organize and interpret information based on their knowledge and experiences.

Mental Structure

The organization of the mind and how it processes, stores, and retrieves information.

Schema

A cognitive framework or concept that organizes and interprets information in the mind.