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. Rating Count Excellent 99 Good 56 Adequate 16 Poor 9 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?