A school is going to conduct cocurricular activities for its students. The teachers conducted a survey to find out the students’ areas of interest and asked them to choose their favorite activity. From a sample of 100 students, the teachers found that 32 students are interested in music and dancing; 25 students like drawing; 28 students enjoy sports; and 15 students like gardening. Due to the available budget, the school can only provide two activities.

a. Which two activities will be their first choices?

b. What probability assessment approach is used in selecting the two activities?

c. Are the activities chosen by the students mutually exclusive? Explain.