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web2.0calc
 
+0  
 

 Help 12 ​

-1
1024
1
avatar+4116 

Help 12

 Jan 3, 2019

1+0 Answers

 #1
avatar+130475 
+2

We have

 

C(10,6)(.51)^6 (.49)^4   =  .213  ≈  21%  ⇒ "B"

 

 

cool cool cool

 Jan 4, 2019

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