A random sample of adults was asked how many books they typically read in a year. With the sample, the probability that adults read a specific number of books has been calculated along with their age group and shown in the following contingency table. Number of Books Less than 40 Years Old 40 Years or More None 0.05 0.09 1 to 2 0.07 0.10 3 to 5 0.08 0.12 6 to 10 0.06 0.11 11 or more 0.14 0.18 What is the probability that an adult was older than 40 or read 3-5 books in a year? O 68% 80% 33% O 12%