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Help 5

 Dec 19, 2018
 #1
avatar+111329 
+1

A little tricky

 

The  probabilty  is   

 

[ area of red square - area of blue square ] / area of red square =

 

[  196 - 64 ] / [ 196 ]  =

 

132 / 196  =  

 

0.6732  =

 

0.67

 

 

cool cool cool

 Dec 19, 2018

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