1. 

   slayedit Member

   hi,
   
   in chapter 7 question 7.2, how did we arrive to the fact that S can take the values of 0,1,2,3,4 ?
   
   any help shall be appreciated!
   
   regards,
   slayedit

    

   slayedit, Jul 27, 2017

   #1
2. 

   John Lee ActEd Tutor Staff Member

   Work through the different combinations of 0, 1 and 2 claims each of amounts 1 and 2.

    

   John Lee, Aug 2, 2017

   #2
3. 

   Chandrima Member

   N=0 -> S=0
   X1=1 -> S=1
   (X1=2) or (X1=1 and X2=1) -> S=2
   (X1=1 and X2=2) or (X1=2 and X2=1) -> S=3
   (X1=2 and X2=2) -> S=4
   
   So, S={0,1,2,3,4}

    

   Chandrima, Aug 7, 2017

   #3
4. 

   John Lee ActEd Tutor Staff Member

   Don't forget to also include the value of N in each combination.
   
   eg N=1 and (X1=2) or N=2 and (X1=1 and X2=1)

    

   John Lee, Aug 7, 2017

   #4

   Chandrima likes this.

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