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Expectation Value

  1. Nov 12, 2008 #1
    the number of hairs Nsub.1 on a certain rare species can only be the number 2sup.l(l=0,1,2......) The probability of finding such an animal with 2sup.l hairs is exp-1/l ! what is the expectation,<N>? what is deltaN?
     
  2. jcsd
  3. Nov 25, 2008 #2
    i have solved that question but could any body please tell me some thing about how to grade the concept and some thing about tensor in more easy way
     
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