Hair Type Brown Blond Black Red Totals Wavy 22 4 13 4 43 Straight 82 13 67 14 176 Totals 104 17 80 18 219 What is the probability that a randomly selected child will have wavy hair? (Enter your answer as a fraction.) What is the probability that a randomly selected child will have either brown or blond hair? (Enter your answer as a fraction.) What is the probability that a randomly selected child will have wavy brown hair? (Enter your answer as a fraction.) What is the probability that a randomly selected child will have red hair, given that he has straight hair? (Enter your answer as a fraction.) If B is the event of a child having brown hair, find the probability of the complement of B. (Enter your answer as a fraction.) If B is the event of a child having brown hair, what does the complement of B represent? The complement of B would be the event of a child having wavy or straight hair The complement of B would be the event of a child having blond hair. The complement of B would be the event of a child not having brown hair. The complement of B would be the event of a child having blond or black hair.
Complete the table.
Hair Type | Brown | Blond | Black | Red | Totals |
---|---|---|---|---|---|
Wavy | 22 | 4 | 13 | 4 | 43 |
Straight | 82 | 13 | 67 | 14 | 176 |
Totals | 104 | 17 | 80 | 18 | 219 |
What is the
What is the probability that a randomly selected child will have either brown or blond hair? (Enter your answer as a fraction.)
What is the probability that a randomly selected child will have wavy brown hair? (Enter your answer as a fraction.)
What is the probability that a randomly selected child will have red hair, given that he has straight hair? (Enter your answer as a fraction.)
If B is the
If B is the event of a child having brown hair, what does the complement of B represent?
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