ISYE 6644 Final Exam Simulation ISYE 6644 A OAN O01 Discrete Mathematics (University of Texas at Austin)

ISYE 6644 Final Exam Simulation ISYE
6644 A OAN O01
Discrete Mathematics (University of
Texas at Austin)

,10/3/21, 3:55 ISyE 6644 - Final Exam : Simulation - ISYE-6644-A/OAN/O01
PM

ISyE 6644 - Summer 2021 - Final Exam
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).

You may use a calculator. You can find Normal, t and Chi-square tables on the last page of
this exam (although you may not need them all - or at all!). You will not need Kolmogorov-
Smirnov or ranking-and-selection tables.

Note that you are not allowed to use Arena (or any other software), even though I'm asking
questions about it.

If you run into a technical issue during your exam, please contact Canvas:

Canvas: Call 1-877-259-8498 or use the chat
http://cases.canvaslms.com/liveagentchat? chattype=student
(http://cases.canvaslms.com/liveagentchat?chattype=student)
HonorLock: Use the chat function in the HonorLock window.




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, 10/3/21, 3:55 ISyE 6644 - Final Exam : Simulation - ISYE-6644-A/OAN/O01
PM

Attempt History
Attempt Time Score
LATEST Attempt 1 120 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 − 1 ] .
4 3


a. 1/5


b. 2/3
Correct!


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

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