A Student Believes That the Average Grade on the Final

question 47

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:

Production Union

A labor organization whose members are involved in the actual manufacturing or production process of goods.

NLRB Approval

Endorsement or sanction given by the National Labor Relations Board, an agency that enforces US labor law in relation to collective bargaining and unfair labor practices.

Own Contract

Own contract typically refers to an agreement or promise that one has made with oneself, often not legally enforceable but acknowledging personal commitment or obligation.

Bargaining Unit

Employees joined together for the purpose of collective bargaining.