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.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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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 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.

 

 
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