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

question 21

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, which one of the following statements is true?

• A)Because the 98% confidence interval includes zero, AT&T can conclude that the proportion of 18- to 34- year- old Americans that own a cell phone is less than the proportion of 35- to
• B)Because the 98% confidence interval does not include zero, AT&T cannot conclude 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.
• C)Because the 98% confidence interval includes zero, AT&T cannot conclude 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.
• D)Because the 98% confidence interval does not include zero, AT&T can conclude 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.

Identify the role of strategic HRM within an organization.

Understand how investments in human capital can enhance productivity.

Define the concept of "fit" in HR programs and its relevance to organizational strategy.

Discern the importance of integrating HR strategy with other functional strategies.

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Definitions:

Lawyer

A professional who practices law, representing and advising individuals, businesses, and government agencies on legal issues and disputes.

Negotiation

The process by which two or more parties with different needs or goals discuss an issue in an attempt to reach a compromise or agreement.

Mediation

A form of alternative dispute resolution where a neutral third party helps the disputing parties find a mutually satisfactory solution.

Med-Arb

A combined process of mediation and arbitration where parties first attempt mediation, and if unresolved, the same or a different neutral party arbitrates the dispute.