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:

Repeated Game

A strategic scenario where the same game (decision-making situation) is played multiple times, allowing for strategy revisions based on past outcomes.

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Payoff Matrix

A payoff matrix is a table that shows the potential outcomes of different decisions made by one or more participants in a strategic situation, often used in game theory.

Credibility

The quality of being trusted and believed in, often based on a history of accuracy and reliability.