i). The following table identifies a group of children by one of four hair
colors, and by type of hair.
Hair Type Brown Blond Black Red Totals
Wavy 20 15 3 43
Straight 80 15 12
Totals 20 215
1. Complete the table.
2. What is the probability that a randomly selected child will have
wavy hair?
3. What is the probability that a randomly selected child will have
either brown or blond hair?
4. What is the probability that a randomly selected child will have
wavy brown hair?
5. What is the probability that a randomly selected child will have red
hair, given that he or she has straight hair?
6. If B is the event of a child having brown hair, find the probability of
the complement of B
7. In words, what does the complement of B represent?