A Student Believes That the Average Grade on the Final $\mu$

question 32

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: \(\mu\) < 85 H_a: \(\mu\) \(\ge\) 85
• B)H₀: \(\mu\) \(\le\)85 H_a: \(\mu\) > 85
• C)H₀: \(\mu\) \(\ge\)85 H_a: \(\mu\) < 85
• D)H₀: \(\mu\) > 85 H_a: \(\mu\) \(\le\) 85

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Definitions:

Federal Unemployment

Refers to the United States federal government program that provides unemployment benefits to eligible workers.

FICA-OASDI

Refers to the Social Security portion of the Federal Insurance Contributions Act tax, used to fund the Social Security program in the United States.

Calendar Year

The 12-month period a business chooses for its accounting year. Alternatively known as fiscal year and natural business year.

State Unemployment Tax Rate

The rate at which employers are taxed by their state government to fund unemployment insurance benefits for laid-off workers.