A city's curriculum reform, students' comprehensive quality has been widely concerned by the society. The relevant departments conducted a sampling survey on the status of 9,200 students' mathematics academic examinations in this city, and randomly investigated the mathematics examination scores of the ninth grade students in five junior high schools. As shown in the sampling statistics chart in 2065, the score was 438+00. The results of the ninth grade students in these five junior high schools are shown in the following table (the full score in the math exam is 120).

Decimal frequency frequency below 72 minutes 736 0.4

72-80 points 276 0 438+05

8 1-95 points

96- 108: 300

109- 1 19 points

120min 5

(1) What is the total number of ninth-grade students in these five junior high schools?

(2) During the statistics, the teacher left out the data in the blank of the form, and asked the teacher to help fill it out;

(3) What is the probability that a person randomly selected will get 120 points?

(4) Can you get any other information from the above table? Write only one reason that you think is reasonable.