A Student Believes That the Average Grade on the Final

question 121

Multiple Choice

A student believes that the average grade on the final examination in statistics is at least 85.She plans on taking a sample to test her belief.The correct set of hypotheses is

• A) H₀: μ < 85 H_a: μ 85.
• B) H₀: μ 85 H_a: μ > 85.
• C) H₀: μ 85 H_a: μ < 85.
• D) H₀: μ > 85 H_a: μ 85.

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Definitions:

External Benefit

A positive spillover effect of a transaction or activity that benefits a third party not directly involved in the transaction.

Output

The amount of goods or services produced by a firm, industry, or economy.

Substitutes For Leadership

Factors in the work setting that direct work efforts without the involvement of a leader.

Work Setting

The physical and social environment in which individuals perform their job duties.