15-2 1. DJ Find the probability that a point chosen at random from AK is on the given segment. A B C D E + 0 2 4 5. Practice Geometric Probability 8. A 6 8 2. BI -2 F G H 1 J K + 18 20 4. A fitness club set up an express exercise circuit. To warm up, a person works out on weight machines for 90 s. Next the person jogs in place for 60 s, and then takes 30 s to do aerobics. After this, the cycle repeats. If you enter the express exercise circuit at a random time, what is the probability that a friend of yours is jogging in place? What is the probability that your friend will be on the weight machines? 10 12 14 16 A point between A and B on each number line is chosen at random. What is the probability that the point is between C and D? C D B 0 2 4 3. AJ 6. Use the dartboard at the right for Exercises 14-16. Assume that a dart you throw will land on the dartboard and is equally likely to land at any point on the board. 7. What is the probability of hitting region X? What is the probability of hitting region Z? AC D B -10 0 10 20 Show Your Work 24 in. 6 in. 24 in. 4 in. -8 in.