Task: Consider the following contingency table:
Under 20 21-30 31-40
Male 12 12 17
Female 13 16 21
1. If one person is selected at random, what is the probability that person is Female? ______
2. If one person is selected at random, what is the probability that person is either under 20 or over 30? _______
3. If one person is selected at random, what is the probability that person is either male or in the age group 21-30? _____
4. If two people are selected at random, what is the probability they are both female? ______