Discussion:
With the help of table answer the following in detail:
Q: The table shows the number of smokers and nonsmokers by gender among 220 people. Assume one person is chosen at random from the 220.
Smokers Nonsmokers Totals
Male 40 60 100
Female 40 80 120
Totals 80 140 220
1. If a smoker is chosen at random, the probability that the person is male is?
2. If a male is chosen at random, the probability that he is a smoker is
3. If one person is chosen at random from the 220 in the table above, the events of "Smoker" and "Male" are (i.e. independent , dependent or mutually event)