The Owner of a Local Nightclub Has Recently Surveyed a Random

question 21

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
Greater than 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. If she wants to have a level of significance at 0.01
What conclusion can she make?

• A) There is not sufficient evidence that the mean age of her customers is greater than 30.
• B) There is sufficient evidence that the mean age of her customers is greater than 30.
• C) There is not sufficient evidence that the mean age of her customers is not greater than 30.
• D) There is sufficient evidence that the mean age of her customers is not greater than 30.

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Definitions:

United States

A federal republic in North America comprising 50 states, a federal district, and several territories, recognized for its significant influence on global politics, economy, and culture.

Vietnam Policy

Refers to the strategies and decisions made by the United States government regarding its military and political involvement in Vietnam, particularly during the Vietnam War.

Nationalist Movements

Collective actions and ideologies aimed at achieving self-determination, independence, or national sovereignty for a particular group or territory.