Consider the following relationships between smoking and hypertension for 180 individuals:
|
Non-smoker |
Smoker |
Total |
Hypertension |
21 |
66 |
87 |
No hypertension |
48 |
45 |
93 |
|
69 |
111 |
180 |
IF one of these individuas is chosen at random ,
1- Find the probability that the person is experiencing hypertension GIVEN that the person is non- smoker?
2- Find the probability that the person is a smoker GIVEN that the person is experiencing no hypertension?
3- Are smoker and hypertension independent? Justify your answer?