From Past History, the Scores on a Statistics Test Are

question 13

Multiple Choice

From past history, the scores on a statistics test are normally distributed with a mean of 70% and a standard deviation of 5%. To earn an "A" on the test, a student must be in the top 5% of the class. What should a student score to receive an "A"?

• A) 80.84
• B) 75.49
• C) 81.48
• D) 76.90
• E) None of the choices are correct

---

Definitions:

Mood Disorders

Psychological disorders characterized by the elevation or lowering of a person's mood, such as depression or bipolar disorder.

Schizophrenia

A complex, chronic mental health disorder characterized by symptoms such as delusions, hallucinations, and disordered thinking, affecting a person's ability to think clearly, manage emotions, make decisions, and relate to others.

Substance Use Disorders

A condition characterized by an unhealthy pattern of substance use leading to significant impairment, distress, and the inability to control substance use.

Anxiety Disorders

A group of mental health disorders characterized by significant feelings of anxiety and fear that interfere with daily activities.