You randomly survey students about their involvement in school sports and the school music program. The two-way table shows the results. Review the two-way frequency table below and complete it on your work page. Then answer the following:

Questions:
1. How many students were surveyed in total?
2. Out of the total number of students, what percentage are not involved in either sports or music?
3. If a student is involved in sports, what is the probability that he/she is also involved in the music program?
Pls explain how you got the answer.