Due Aug 5 at 11:59pm Points 100 Questions 34
Available Jul 28 at 8am - Aug 13 at 11:59pm 17 days Time Limit 120 Minutes
Instructions
This test is 120 minutes. You're allowed three cheat sheets (6 sides total).
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(although you may not need them all - or at all!). You will not need Kolmogorov-Smirnov or ranking-
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ISyE 6644
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ISyE 6644
, Attempt History
Attempt Time Score
LATEST 120 minutes 73 out of 100
Score for this quiz: 73 out of 100
Submitted Aug 5 at 6:13pm
This attempt took 120 minutes.
Question 1 pts
Suppose X and Y have joint p.d.f. f (x, y) = 8xy for all 0 < y < x < 1.
Find E [
5X
− 13 ] .
4
a. 1/5
Correct! b. 2/3
c. 4/5
d. 5/6
e. 1
Question 2 pts
YES or NO? Consider again the joint p.d.f. from the previous question,
f (x, y) = 8xy for 0 < y < x < 1.
Are X and Y dependent random variables?
Correct! a. Yes
b. No
ISyE 6644