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avatar+4116 

Help 4,5

 Apr 16, 2018
 #1
avatar+4221 
+3

1. This is combinations, 5C3= 5!/3! * 2!= 5*4/2*1=10, second option.

 Apr 16, 2018
 #2
avatar+100516 
+1

P ( Red and Blue).....no chance of this.....if we draw one marble...it can't be both red and blue 

 

So

 

P( R and B)  =   0

 

 

cool cool cool

 Apr 16, 2018

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