+0  
 
-1
984
1
avatar+4116 

Help 12

 Jan 3, 2019
 #1
avatar+128079 
+2

We have

 

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

 

 

cool cool cool

 Jan 4, 2019

1 Online Users