Final Exam Simulation ISYE 6644.

Final Exam Simulation ISYE 6644lOMoARcPSD|63116700




This attempt took 86 minutes.
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Question 1
pts
Let's use Newton's method with to find an approximate solution to . After 2 iterations, what is the
approximate value of ? Use 3 decimal places.
a. 1.410Correct!

b. 1.417
c. 1.448
d. 1.500
e. 1.514
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Question
2
pts
Suppose and have joint p.d.f. for , . Find




. a. 1/4
b.1/2
Correct!
c. 3/4
d.2/3
e.1
Final Exam Simulation ISYE 6644

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Question 3
pts

YES or NO? Consider again the joint p.d.f. from the previous question for , . Are and
independent random variables?

Correct!
a.Yes
b.No
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Question 4
pts
If and are i.i.d. random variables, find
. a. 0
b.10
c. 20
Correct!
d.52
e.208
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Question 5
pts
If and
a. 0

b. 1/4Correct!
c. 1/2

d. 1



Final Exam Simulation ISYE 6644

, Final Exam Simulation ISYE 6644lOMoARcPSD|63116700




2
e. are i.i.d. random variables, find .
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Question 6
pts
If
a.
b.

c.
Correct!
d.Both (b) and (c)
e.All of the above.
are i.i.d. , what is the distribution of
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Question 7
pts

Find the sample variance of the four observations: 4, 4, 5 and




10. a. 2.87

b.5.75
c. 6.19
d.7.33Correct!
e.8.25
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Final Exam Simulation ISYE 6644