The Owner of a Local Nightclub Has Recently Surveyed a Random

question 122

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 greater than 30. If so, she plans to alter the entertainment to appeal to an older crowd. If not, no entertainment changes will be made. If she wants to have a level of significance at 0.01, what rejection region should she use?

• A) Reject H₀ if t < -2.3263.
• B) Reject H₀ if t < -2.5758.
• C) Reject H₀ if t > 2.3263.
• D) Reject H₀ if t > 2.5758.

---

Definitions:

Finished Goods

Products that are finished with the production process but remain unsold to any customer.

Total Manufacturing Costs

The sum of all costs directly associated with the production of goods, including raw materials, labor, and overhead expenses.

Raw Material

Material that is to be processed into a finished product or that changes the quality or characteristics of the product.

Direct Labor Cost

The total cost of all labor hours that are directly involved in the production of goods or the provision of services.