HW13 - ( X 2 ) + + E ( X n ) 2. Var( Y ) = n i =1 Var( X i...

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ECE 302, Homework #13, Due 4/29 http://www.ece.purdue.edu/ chihw/ECE302 09S.html Question 1: [Basic] Problem 6.1. Question 2: [Basic] Problem 6.3(a,b,d). Question 3: [Basic] Problem 6.4(a,b). You need to use the Q ( x ) function to express your answer. Question 4: [Basic] Problem 6.7. Question 5: [Basic] Problem 6.9. Question 6: [Intermediate / Exam Level] Problem 6.22. Question 7: [Intermediate / Exam Level] Suppose X 1 ,...,X n are independent random variables. Let Y = X 1 + X 2 + ··· + X n . Derive the following formula. 1. E ( Y ) = E ( X 1 ) + E
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Unformatted text preview: ( X 2 ) + + E ( X n ) 2. Var( Y ) = n i =1 Var( X i ) + 2 n i =1 n j = i +1 Cov( X i ,X j ). Question 8: [Intermediate / Exam Level] Problem 6.32. Question 9: [Intermediate / Exam Level] Problem 6.35. Question 10: [Basic] Problem 7.1. There are four more questions on the back. Question 11: [Intermediate / Exam Level] Problem 7.2. Question 12: [Basic] Problem 7.8. Question 13: [Basic] Problem 7.10. Question 14: [Basic] Problem 7.11....
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This note was uploaded on 05/02/2009 for the course ECE 302 taught by Professor Gelfand during the Spring '08 term at Purdue University-West Lafayette.

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HW13 - ( X 2 ) + + E ( X n ) 2. Var( Y ) = n i =1 Var( X i...

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