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Test Two Mathematics 135.02 Fall 2009 Answer Key.
 

Summary: Test Two Mathematics 135.02 Fall 2009
Answer Key.
TO GET FULL CREDIT YOU MUST SHOW ALL WORK!
I have neither given nor received aid in the completion of this test.
Signature:
Your Score
1 10 pts.
2 10 pts.
3 10 pts.
4 35 pts.
5 15 pts.
6 15 pts.
7 15 pts.
8 20 pts.
Total 130 pts.
1. 10 pts. Suppose X1, X2 are independent random variables with means 1, 2
and variances 2
1, 2
2, respectively. Compute E((X1 + 3X2)2
).

  

Source: Allard, William K. - Department of Mathematics, Duke University

 

Collections: Mathematics