+0  
 
0
113
1
avatar+282 

i hate fractions

lizagame  May 22, 2017
Sort: 

1+0 Answers

 #1
avatar+77068 
+1

 

 There are only two ways of getting $25.....chose a $5 bill the first time  and a $20 bill the second time....or   vice-versa

 

So.....the total probability is   (2 /11) * (4/11)  +  (4/11) (2/11)   =   8/121  + 8/121    =   16 / 121

 

 

cool cool cool

CPhill  May 22, 2017

6 Online Users

We use cookies to personalise content and ads, to provide social media features and to analyse our traffic. We also share information about your use of our site with our social media, advertising and analytics partners.  See details