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Help 15

 Jan 3, 2019
 #1
avatar+128089 
+1

Prob =  

 

[ Number of black squares ]  / [ Total Squares ] =

 

[ 32 ]  / [ 64 ]  =

 

1 / 2 = 

 

50% = 

 

.50  ⇒  "B"

 

 

 

cool cool cool

 Jan 3, 2019

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