The math department recently adopted a new textbook for its statistics course. At the end of the course, 180 randomly selected students were asked to assess the book. The results of this survey are given in the table below.

Can we conclude at the 5% significance level that more than 50% (p = 0.50) of all students who took this course would rate the newly adopted textbook as excellent?

(a) State the null and alternative hypotheses.

(b) Calculate the test statistic.

(c) Determine the p-value.

(d) What is the decision? Why?

(e) What is the conclusion?

Rating	Count
Excellent	99
Good	56
Adequate	16
Poor	9