The Owner of a Local Nightclub Has Recently Surveyed a Random

question 14

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.
-The appropriate hypotheses to test are

• A) H₀: \(\mu\) \(\le\) 30 versus H₁: \(\mu\) > 30.
• B) H₀: \(\bar { X }\) 30 versus H₁:
• \(\bar { X }\) < 30.
• C) H₀: \(\mu\) \(\ge\) 30 versus H₁: \(\mu\) < 30.
• D) H₀: \(\bar { X }\) \(\le\) 30 versus H₁:
• \(\bar { X }\) > 30.

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Definitions:

Vestibule Training

Involves a work-simulation situation in which the job is performed under a condition that closely simulates the real work environment.

Work-simulation

An assessment or training method that imitates a real job environment and tasks, used to evaluate performance or prepare individuals for specific job roles.

Apprenticeship

A system of training a new generation of practitioners of a trade or profession with on-the-job training and often some accompanying study.

External Recruiting

The process of seeking new employees from outside the organization through advertisements, job fairs, or other public postings.