Chapter 12 - Data Analysis and Probability - 12-8 Probability of Compound Events - Practice and Problem-Solving Exercises - Page 780: 16

3/5

To find the probability of either of the two events occurring, we add the probability of either event occurring and then subtract the probability that both events will occur. This gives: $$5/10+4/10-3/10$$ $$6/10$$ $$3/5$$