A Statistics Professor Wants to See If More Than 80 $\mathrm { H } _ { 0 } : p > 0.80$

question 197

Multiple Choice

A statistics professor wants to see if more than 80% of her students enjoyed taking her class. At the End of the term, she takes a random sample of students from her large class and asks, in an Anonymous survey, if the students enjoyed taking her class. Which set of hypotheses should she
Test?

• A) \(\mathrm { H } _ { 0 } : p > 0.80\)
• \(\mathrm { H } _ { \mathrm { A } } : p = 0.80\)
• B) \(\mathrm { H } _ { 0 } : p < 0.80\)
• \(\mathrm { H } _ { \mathrm { A } } : p > 0.80\)
• C) \(\mathrm { H } _ { 0 } : p = 0.80\)
• \(\mathrm { H } _ { \mathrm { A } } : p < 0.80\)
• D) \(\mathrm { H } _ { 0 } : p = 0.80\)
• \(\mathrm { H } _ { \mathrm { A } } : p > 0.80\)
• E) \(\mathrm { H } _ { 0 } : p < 0.80\) \
• (\mathrm { H } _ { \mathrm { A } } : p \neq 0.80\)

---

Definitions:

Fear

An emotional response to perceived threats or danger, involving physiological, behavioral, and psychological reactions that prepare the body for fight or flight.

Anger

A powerful sense of irritation, dissatisfaction, or aggression.

Social Referencing

The behavior where people observe those around them to determine the appropriate way to act or respond in various scenarios.

Smiling

A facial expression characterized by turning up the corners of the mouth, often indicative of amusement, happiness, or affection.