The Owner of a Local Karaoke Bar Has Recently Surveyed $\sigma$

question 75

Multiple Choice

The owner of a local Karaoke Bar has recently surveyed a random sample of n = 300 customers of the bar.She would now like to determine whether or not the mean age of her customers is over 35.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 be 99% confident in her decision,what rejection region she use if the population standard deviation $\sigma$ is known?

• A) Reject H₀ if z < -2.33
• B) Reject H₀ if z < -2.58
• C) Reject H₀ if z > 2.33
• D) Reject H₀ if z > 2.58

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Definitions:

Biological Model

A model that explains psychological phenomena in terms of biological processes, such as genetics, neurotransmitters, and brain structures.

Addiction

A psychological and physical inability to stop consuming a chemical, drug, activity, or substance, despite it causing psychological and physical harm.

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The management and care of a patient to combat disease or disorder.

Learning Model

A framework that describes how learning occurs, often involving processes like observation, imitation, and reinforcement.