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Textbook Expert
Textbook ExpertVerified Tutor
30 Oct 2021

Given information

Table  identifies a group of children by one of four hair colors, and by type of hair.

Step-by-step explanation

Step 1.

Consider the completed table as follows:

The probability of an event   is defined as

From the table:

Number of children with straight hairs ,

Number of children with red hairs .

Thus, the probability that a randomly selected child will have red hair, given that he or she has straight hair is given as

 

Therefore, the probability that a randomly selected child will have red hair, given that he or she has straight hair is  

    

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Introductory Statistics
OER Edition, 2013
Openstax
ISBN: 9781938168208

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