The Owner of a Local Nightclub Has Recently Surveyed a Random

question 133

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 over 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. What is the p-value associated with the test statistic?

• A) 0.3577
• B) 0.1423
• C) 0.0780
• D) 0.02

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Definitions:

Net Income

The total profit or loss of a company after deducting all expenses, taxes, and costs from total revenue.

Accounting Period

The span of time at the end of which the financial position of a business is calculated and reported, typically a month, quarter, or year.

Unexpired Insurance

The portion of an insurance premium that has not yet expired during the policy period.

Fiscal Period

A specific time period for which an organization prepares financial statements, typically a year, but can also be a quarter or month.