5. (Contingency Table) The following table identifies a group of children by one of four hair colors, and by the type of hair. Hair Color Brown Blond Black Red Totals Hair Type Wavy 20 15 3 43 Straight 80 15 12 Totals 20 215 |(a) Complete the table. (b) What is the probability that a randomly selected child will have wavy hair? (c) What is the probability that a randomly selected child will have either brown or blond hair? (d) What is the probability that a randomly selected child will have wavy brown (i.e. wavy and brown) hair? (e) What is the probability that a randomly selected child will have red hair, given that he or she has straight hair?

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answers to part 5 (a to e)

5. (Contingency Table) The following table identifies a group of children by one of four hair colors, and by the type of hair.
Hair Color
Brown
Blond
Black
Red
Totals
Hair Type
Wavy
20
15
3
43
Straight
80
15
12
Totals
20
215
|(a) Complete the table.
(b) What is the probability that a randomly selected child will have wavy hair?
(c) What is the probability that a randomly selected child will have either brown or blond hair?
(d) What is the probability that a randomly selected child will have wavy brown (i.e. wavy and brown) hair?
(e) What is the probability that a randomly selected child will have red hair, given that he or she has straight hair?
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Transcribed Image Text

5. (Contingency Table) The following table identifies a group of children by one of four hair colors, and by the type of hair. Hair Color Brown Blond Black Red Totals Hair Type Wavy 20 15 3 43 Straight 80 15 12 Totals 20 215 |(a) Complete the table. (b) What is the probability that a randomly selected child will have wavy hair? (c) What is the probability that a randomly selected child will have either brown or blond hair? (d) What is the probability that a randomly selected child will have wavy brown (i.e. wavy and brown) hair? (e) What is the probability that a randomly selected child will have red hair, given that he or she has straight hair?