Every semester, I would like for more than 75%
of my students to score a 70 or higher on the first test. This
semester, out of the 72 students who took the first test, 59 got at
least a C (scored higher a 70 or higher). Is there sufficient
evidence to conclude, at the 10% significance level, that
more than 75% of the students got at least a C on
the first exam? Find the p-value.
Identify the null and...