A fitness magazine surveyed a group of young adults regarding their exercise programs and the following results were obtained.
2 were using Program 1, Program 2, and Program 3 to improve their fitness.
5 were using Program 1 and Program 2.
9 were using Program 2 and Program 3.
7 were using Program 1 and Program 3.
13 were using Program 1 only.
24 were using Program 2.
19 were using Program 3 but not Program 2.
12 were using something other than these three types of workouts.
Complete parts a through c.