The Owner of a Local Nightclub Has Recently Surveyed a Random

question 11

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. What is the p-value associated with the test statistic?

• A) 0.02
• B) 0.1423
• C) 0.0780
• D) 0.3577

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Definitions:

Clinical Psychology

The branch of psychology concerned with the diagnosis and treatment of psychological problems and disorders.

Psychological Problems

These are issues related to the mental health and emotional well-being of an individual, which can impact their daily functioning and quality of life.

Process of Adjustment

The manner in which individuals adapt to changes or new situations in their environment, often necessitating psychological, emotional, or behavioral flexibility.

Human Behavior

The range of actions and mannerisms exhibited by humans, influenced by culture, attitudes, emotions, values, ethics, authority, rapport, hypnosis, persuasion, coercion, and/or genetics.