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  3. 13. the following table identifies a group of chil

13. The following table identifies a group of children by one of four hair colors, and...

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Question

Statistics

13. The following table identifies a group of childrenby one of four hair colors, and by type of hair.

Hair Type

Brown

Blond

Black

Red

Totals

Wavy

21

16

5

48

Straight

78

13

14

Totals

19

218


  • part (b)

  • What is the probability that a randomly selected childwill have wavy hair? (Enter your answer as afraction.)

  • Part (c)
    What is the probability that a randomly selected child will haveeither brown or blond hair? (Enter your answer as afraction.)

  • Part (d)
    What is the probability that a randomly selected child will havewavy brown hair? (Enter your answer as a fraction.)

  • Part (e)
    What is the probability that a randomly selected child will havered hair, given that he has straight hair? (Enter your answer as afraction.)

  • Part (f)
    If B is the event of a child having brown hair, find theprobability of the complement of B. (Enter your answer as afraction.)

  • Part (g)
    If B is the event of a child having brown hair, what does thecomplement of B represent?

  • The complement of B would be the event of a child havingblond or black hair.

  • The complement of B would be the event of a child havingwavy or straight hair.    

  • The complement of B would be the event of a child nothaving brown hair.

  • The complement of B would be the event of a child havingblond hair.

Answer & Explanation Solved by verified expert
3.7 Ratings (592 Votes)
Some data are missing in the question Below is the completed table Hair Type Brown Blond Black Red Totals Wavy 21 6 16 5 48 Straight 78 13 65 14 170 Totals 99 19 81 19 218 b Total no of children 218 No of children with wavy    See Answer
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