1. 

   Bharti Singla Senior Member

   Qus. 11- Here it's written that data of group of 9 People given but in the table, data for only 8 people is given. In the solution also n= 9 is used. Please rectify.

    

   Bharti Singla, Aug 17, 2016

   #1
2. 

   John Lee ActEd Tutor Staff Member

   There is a mistake.

    

   John Lee, Aug 19, 2016

   #2

   suraj likes this.
3. 

   Bharti Singla Senior Member

   ok

    

   Bharti Singla, Aug 19, 2016

   #3

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