<image>The following math problem translated from Chinese to English, retaining the  placeholder, is as follows:

A school conducted a physical education test for all students in the eighth grade (1) class. The test scores are divided into four levels: Excellent, Good, Pass, and  Fail. According to the test scores, an incomplete statistical graph was drawn as follows:
The frequency distribution table of physical education scores for the eighth grade (1) class:

\frac{} Based on the information provided by the statistical graph and table, answer the following questions:
(1) How many students are there in the eighth grade (1) class in total?
(2) Fill in the blanks: The frequency of Excellent physical education scores is ______, and the frequency of Pass scores is ______;
(3) Among the physical education scores of all students in the class, if a student's score is randomly selected, what is the probability that it is Pass or above (including Pass)?