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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.

The completed table below identifies a group of children by one of four hair colors and by type of hair:

The probability of an event   is defined as

The total number of children ,

The number of children with brown hairs .

Number of children with blond hairs  

Therefore, the probability that a randomly selected child will have either brown or blond hair is given as

   

 

Therefore, the probability that a randomly selected child will have either brown or blond hair is .  

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Introductory Statistics
OER Edition, 2013
Openstax
ISBN: 9781938168208

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