The Owner of a Local Nightclub Has Recently Surveyed a Random

question 65

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. The appropriate hypotheses to test are:

• A) H₀ : \(\overline{X}\) ? 30 versus H₁ : \(\overline{X}\) > 30.
• B) H₀ : µ ? 30 versus H₁ : µ < 30.
• C) H₀ : \(\overline{X}\) ? 30 versus H₁ : \(\overline{X}\) < 30.
• D) H₀ : µ ? 30 versus H₁ : µ > 30.

---

Definitions:

Underutilization

Refers to the failure to use something or someone to its fullest potential or capacity, often resulting in wasted resources or talents.

Time

A continuous, measurable sequence of events moving from past through present to future.

Group Accountability

The shared responsibility among members of a group for the outcomes or achievements of the group as a whole.

Individual Accountability

The obligation of an individual to account for their activities, accept responsibility for them, and disclose the results in a transparent manner.