Jack is a student in bluenose high school. he noticed that a lot of the students in his math class were also in his chemistry class. in fact, of the 60 students in his grade, 28 students were in his math class, 32 students were in his chemistry class, and 15 students were in both his math class and his chemistry class. he decided to calculate what the probability was of selecting a student at random who was either in his math class or his chemistry class, but not both. draw a venn diagram and jack with his calculation. calculate this probability. a. 1/2 b. 1/3 c. 1/4 d. 1/5