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A student is chosen at random from a class with 17 girls and 18 boys.

The probability of choosing a boy is?

The probability of choosing either a girl or a boy is?

 Jul 23, 2020
edited by Bigtex  Jul 23, 2020
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A student is chosen at random from a class with 17 girls and 18 boys.  

The probability of choosing a boy is?  

The probability of choosing either a girl or a boy is?  

 

The probability of choosing a boy ~  

This is the number of boys divided by the total number of students:   51.43%  this is 18/35   

 

The probability of choosing either a girl or a boy ~             either one:   100%  this is 35/35   

.

 Jul 23, 2020

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