e following table identifies a group of children by one of four hair colors, and by type of h Hair Type Brown Blond Black Red Totals Wavy 22 13 42 Straight 79 17 10 Totals 21 212 Part (a) Complete the table. Hair Tvne Brown Blond Black Red Totals

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Author:Amos Gilat
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Chapter1: Starting With Matlab
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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
22
13
3
42
Straight
79
17
10
Totals
21
212
O Part (a)
Complete the table.
Hair Type
Brown
Blond
Black
Red
Totals
Wavy
22
13
3
42
Straight
79
17
10
Totals
O 212
21
O Part (b)
What is the probability that a randomly selected child will have wavy hair? (Enter your answer as a fraction.)
O Part (c)
What is the probability that a randomly selected child will have either brown or blond hair? (Enter your answer as a fraction.)
O Part (d)
What is the probability that a randomly selected child will have wavy brown hair? (Enter your answer as a fraction.)
O Part (e)
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.)
O Part (f)
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.)
Transcribed Image Text: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 22 13 3 42 Straight 79 17 10 Totals 21 212 O Part (a) Complete the table. Hair Type Brown Blond Black Red Totals Wavy 22 13 3 42 Straight 79 17 10 Totals O 212 21 O Part (b) What is the probability that a randomly selected child will have wavy hair? (Enter your answer as a fraction.) O Part (c) What is the probability that a randomly selected child will have either brown or blond hair? (Enter your answer as a fraction.) O Part (d) What is the probability that a randomly selected child will have wavy brown hair? (Enter your answer as a fraction.) O Part (e) 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.) O Part (f) 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.)
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