AT&T Would Like to Test the Hypothesis That the Proportion

question 27

Multiple Choice

AT&T would like to test the hypothesis that the proportion of 18- to 34- year- old Americans that own a cell phone is less than the proportion of 35- to 49- year- old Americans. A random sample of 200 18- to 34- year- old Americans found that 126 owned a smartphone. A random sample of 175 35- to 49- year- old Americans found that 119 owned a smartphone. If Population 1 is defined as 18- to 34- year- old Americans and Population 2 is defined as 35- to 49- year- old Americans, the p- value for this hypothesis test is _______.

• A)0.1562
• B)0.0026
• C)0.0087
• D)0.1025

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Definitions:

Impairment

The action of or situation where the value of an asset is corrected downwards in the company's books to reflect a loss in value, ensuring the asset's recorded cost does not exceed its recoverable amount.

Issued Capital

The total value of a company's shares that have been issued to shareholders, representing the equity funding provided by shareholders.

Retained Earnings

Represents the cumulative amount of net income that a company has not distributed to its shareholders as dividends but retained for reinvestment in the business.

Goodwill

An intangible asset representing the value of a company's brand name, reputation, and customer relationships, acquired during a business combination.