The Owner of a Local Nightclub Has Recently Surveyed a Random

question 30

Multiple Choice

The owner of a local nightclub has recently surveyed a random sample of n = 250 customers of the club. She would now like to determine whether or not the mean age of her customers is over 30. If so, she plans to alter the entertainment to appeal to an older crowd. If not, no entertainment changes will be made. Suppose she found that the sample mean was 30.45 years and the sample standard deviation was 5 years. If she wants to be 99% confident in her decision, what conclusion can she make?

• A) There is not sufficient evidence that the mean age of her customers is over 30.
• B) There is sufficient evidence that the mean age of her customers is not over 30.
• C) There is not sufficient evidence that the mean age of her customers is not over 30.
• D) There is sufficient evidence that the mean age of her customers is over 30.

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Definitions:

Reform Act

Legislation intended to bring about changes or improvements in a specific area, often used to reference specific historic statutes that reformed political processes.

Safe Harbor

Safe harbor refers to a legal provision to reduce or eliminate liability in certain situations, provided that the actions taken meet specified criteria.

Civil Liability

The legal responsibility of one party to another for damages or losses caused, typically resolved through the payment of compensatory damages or other remedies.

Civil Liability

Legal responsibility requiring a person to compensate for harm or damage they've caused to another entity.