ee302hw4_Fa10 - ECE302 Homework #4 Assigned 10/6/10, Due...

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D J ±∞ ±∞ Remark 2 2 2 22 4 4 ±| | ± ±| ± | ± ± ± ² ±² ³ ´µ RR DJ X X D J YX ECE302 Homework #4 E Var[ ] Var[ ] Var[ ] E [] E ()=05 02 5 2 2 ()=1 05 15 ± E =3 1 = ( ) () = () () X X, X X . XX X X . fx . . x , < x < . x. , . < x < . . GG X GX G . X X . R Q X ± X Y g X . yf y dy g x f x dx Assigned 10/6/10, Due 10/15/10 (by 4:30 in dropbox in MSEE 330) 1. Text, problem 3.25, page 133 2. Text, problem 3.39, page 134. Forpart (d) ±nd the conditional expected values of and use them to ±nd and ±nd the conditional variances of and use them to ±nd Also, compare the found this way with the found from and 3. Text, problem 4.55, page 220 parts (a) and (d) only. For part (d) do the calculation in the x and also in the u domain (start by thinking about what this means). 4. Dwightand Jim are having a snowball±ght. and are thepositions, in feet(to left and right), which their respective snowballs land relative to the target. We have that Dwight²s snowballs have a pdf Jim has more consistent aim, but aims a little to the right, so that (a) What are the mean and variance of and ?
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This note was uploaded on 10/07/2010 for the course ECE 302 taught by Professor Gelfand during the Fall '08 term at Purdue University-West Lafayette.

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ee302hw4_Fa10 - ECE302 Homework #4 Assigned 10/6/10, Due...

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