Mathematics

Osvaldo Williams

21 May, 08:23

At a large factory, the employees were surveyed and classified according to their level of education and whether they smoked. The data are shown in the table.

Educational Level

Smoking Not high High school College

Habit School graduate graduate graduate

Smoke 6 14 19

Do not smoke 18 7 25

If an employee is selected at random, find these probabilities:

a. The employee smokes, given that he or she graduated from college.

b. Given that the employee did not graduate from high school, he or she is a smoker.

c. The employee graduated from college, given that he or she smokes.