Problem based on Addition theorem on probability.
The table lists the smoking habits of group college students.
|
Sex
|
Non-smoker
|
Regular Smoker
|
Heavy Smoker
|
Total
|
|
Man
|
135
|
41
|
5
|
181
|
|
Woman
|
187
|
21
|
12
|
220
|
|
Total
|
322
|
62
|
17
|
401
|
If a student is chosen at random, find out the probability of getting someone who is a man or a woman. Round the answer to three decimal places.