Question: Now suppose X = ( X 1+ X 2) / 2, where X 1and X 2are independent and P ( Xi = 1 ) =

Now supposeX= (X1+X2) / 2, whereX1andX2are independent and

P(Xi= 1 ) =p,andP(Xi= 0 ) = 1 pwhereican be 1 or 2.

  1. (a) DeriveE(X).
  2. (b) Derivevar(X).

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