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

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\)