. At a large factory, the employees were surveyed and classifiedaccording to their level of education and whether they smoked. Thedata are shown in the table below:
| | | | |
smoking habit | not high school graduates | high school graduate | college graduate | Graduate Level |
smoke | 17 | 20 | 18 | 10 |
Do not smoke | 15 | 32 | 27 | 19 |
If an employee is selected at random, find theseprobabilities.
a. The employee smokes, given that he or she graduated from highschool.
b. Given that the employee did not graduate from high school, heor she is not a smoker.
c. The employee does not smoke and has a graduate level degree(MS or PhD) or is a college graduate.