1. 

   shdh Ton up Member

   Can someone please explain me the interpolation part of question Bank question 2.12 part 4, how did we arrive at the standard deviation's probability?
   
   Thanks,
   Shyam

    

   shdh, Apr 14, 2016

   #1
2. 

   John Lee ActEd Tutor Staff Member

   Between the 0.5% and 0.1% values on page 169 of the Tables.

    

   John Lee, Apr 15, 2016

   #2

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