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MTH 410: Homework for CH. 7 2005-Sep-12 

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Dear Class, here is the homework assignment for chapter 7. It is due September 19th. Pleawe

  1. Let X and Y be independent, normal random variables with mean mu and variance sigma squared. Show that X+Y is a normal random variable. Find its mean and variance. Hint: Use the fact that the joint distribution satisfies f(x,y) = f(x)f(y).
  2. 7.7, 9, 15, 17, 19, 25, 27, 32, 37, 38, 7-R3

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