The Owner of a Local Karaoke Bar Has Recently Surveyed

question 40

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 s is known?

• A)Reject H ₀ if z - 2.33
• B)Reject H ₀ if z - 2.58
• C)Reject H ₀ if z > 2.33
• D)Reject H ₀ if z > 2.58

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Definitions:

Developed

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Dirty Harry Problem

A moral and ethical dilemma faced by law enforcement officers when they consider violating rules or ethical standards to achieve a just outcome, particularly in cases where conventional methods are ineffective.

Unethical

Actions or behaviors that violate moral principles or standards of conduct accepted by a given society or profession.

Desirable Ends

A concept in ethics and philosophy that refers to outcomes or goals considered beneficial or preferable based on moral, ethical, or societal standards.