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:

Mental Health Disorder

A condition that affects a person's thinking, feeling, behavior, or mood, significantly impacting daily functioning and potentially causing distress to the individual or those around them.

Biopsychosocial Approach

An integrated perspective that acknowledges that biological, psychological, and social factors all play a significant role in human functioning.

Psychological Disorders

Mental disorders characterized by patterns of behavior or thought that are significant enough to interfere with an individual’s daily life and well-being.

Genetic Factors

Elements within an organism's genes that influence traits, behaviors, and susceptibility to certain conditions or diseases.