19.13 The demands of college. Select a first-year college student at random and ask how difficult it was for him or her to adjust to the academic demands of college. Probabilities for the outcomes are
| Difficulty: | Very | Somewhat |
| difficult | difficult | |
| Probability: | 0.1 | 0.3 |
| Difficulty: | Somewhat | Very |
| easy | easy | |
| Probability: | 0.4 | ? |
(a) What must be the probability that a randomly chosen first-year student says that it was very easy to to adjust to the academic demands of college.?
(b) To simulate the responses of randomly chosen first-year students, how would you assign digits to represent the four possible outcomes listed?