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:

Writs of Certiorari

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A constitutional principle that requires states to treat all citizens equally under the law, prohibiting discrimination on the basis of race, religion, gender, or national origin.

Brown v. Board of Education

A landmark Supreme Court decision in 1954 that declared state laws establishing separate public schools for black and white students to be unconstitutional, challenging racial segregation.

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