More Millenials in College. The following contingency table contains the results of a survey by the Pew Research Center comparing the number of Millennials in 2013 who completed a Bachelor's degree versus the number of Generation X'ers in 1995 who completed a Bachelor's degree. Use this information for Exercises 115–118.
| Completed Bachelor's degree or more |
Completed less than a Bachelor's degree |
Total | |
|---|---|---|---|
| Millennials: 2013 | 6,686 | 11,662 | 18,348 |
| Gen X'ers: 1995 | 4,458 | 10,897 | 15,355 |
| Total | 11,144 | 22,559 | 33,703 |
115. Find the probability that a randomly chosen survey respondent has the following characteristics:
5.3.115
(a) 0.3307 (b) 0.5444