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  #91  
Old 04-14-2006, 08:55 PM
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krzysio krzysio is offline
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Default Exercise for April 15, 2006

It is posted at:
http://www.math.ilstu.edu/krzysio/4-...O-Exercise.pdf
Yours,
Krzys' Ostaszewski
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  #92  
Old 04-18-2006, 01:39 AM
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Default April 22 exercise

It is posted at:
http://www.math.ilstu.edu/krzysio/4-...O-Exercise.pdf
I believe it answers a question from the "standard normal question" thread on this forum.
Yours,
Krzys' Ostaszewski
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  #93  
Old 04-22-2006, 06:37 PM
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Default Exercise for April 29, 2006

It is posted at:
http://www.math.ilstu.edu/krzysio/4-...O-Exercise.pdf
I am posting it early, because I will be traveling to Germany in May and Poland in June, and may have limited access to internet.
Yours,
Krzys' Ostaszewski
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  #94  
Old 04-22-2006, 06:38 PM
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krzysio krzysio is offline
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Default Exercise for May 6, 2006

It is posted at:
http://www.math.ilstu.edu/krzysio/5-6-6-KO-Exercise.pdf
I am posting it early, because I will be traveling to Germany in May and Poland in June, and may have limited access to internet.
Yours,
Krzys' Ostaszewski
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  #95  
Old 04-22-2006, 06:38 PM
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krzysio krzysio is offline
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Default Exercise for May 13, 2006

It is posted at:
http://www.math.ilstu.edu/krzysio/5-...O-Exercise.pdf
I am posting it early, because I will be traveling to Germany in May and Poland in June, and may have limited access to internet.
Yours,
Krzys' Ostaszewski
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  #96  
Old 04-22-2006, 06:39 PM
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krzysio krzysio is offline
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Default Exercise for May 20, 2006

It is posted at:
http://www.math.ilstu.edu/krzysio/5-...O-Exercise.pdf
I am posting it early, because I will be traveling to Germany in May and Poland in June, and may have limited access to internet.
Yours,
Krzys' Ostaszewski
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  #97  
Old 04-22-2006, 06:39 PM
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Default Exercise for May 27, 2006

It is posted at:
http://www.math.ilstu.edu/krzysio/5-...O-Exercise.pdf
I am posting it early, because I will be traveling to Germany in May and Poland in June, and may have limited access to internet.
Yours,
Krzys' Ostaszewski
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  #98  
Old 05-11-2006, 11:25 PM
robertminohio robertminohio is offline
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Default

I love that you post these problems for everybody.
I wish i caught on to these a lot quicker.

Hey a quick question for you about your last question.
I really haven't had much survival function. I really
was under the impression that i didn't need that yet.
Is this right?

Secondly, I just thought more of a basic approach
is

I tried to hide the solution just in case.

Fx { x on .5<x<1
{ .5 on 1
{ 1 x > 2

fx { 1 on .5<x<1
{ .5 x= 2]

E(x) = int (.5,1) x dx + .5*2
= 1.375

How is this solution look.

Last edited by robertminohio; 05-11-2006 at 11:27 PM..
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  #99  
Old 05-12-2006, 11:48 AM
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krzysio krzysio is offline
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Default Alternative solution

Quote:
Originally Posted by robertminohio
I love that you post these problems for everybody.
I wish i caught on to these a lot quicker.

Hey a quick question for you about your last question.
I really haven't had much survival function. I really
was under the impression that i didn't need that yet.
Is this right?

Secondly, I just thought more of a basic approach
is
I tried to hide the solution just in case.
Fx { x on .5<x<1
{ .5 on 1
{ 1 x > 2
fx { 1 on .5<x<1
{ .5 x= 2]
E(x) = int (.5,1) x dx + .5*2
= 1.375
How is this solution look.
Thank you very much for your kind words. I am glad you like the exercises I post. Let me note that I am glad to post them as study aids for everyone, and I do have additional motive: to convince you all to use my study manuals for exam P, FM and M, as well as to take my seminars for exams P, FM, and M.

Now to your questions: Survival function equals (1 - Cumulative Distribution Function), so this is basic material, definitely on the test. I am confused as to how you refer to "last question". The latest exercise I posted is for May 27, 2006. It does use the survival function to calculate expected value (i.e., The Darth Vader Rule). But it does not look anything like what you wrote. Which exercise you are referring to?

Yours,
Krzys'
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  #100  
Old 05-12-2006, 11:29 PM
robertminohio robertminohio is offline
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Default

I guess i confused myself with saying the last question.
When i did the probelm it was the last one on the second
page and when i posted it my discusion it was on the last page and i
went in and edited it in.

The question that i was refering to is the Exercise for October 15, 2005

I don't think that i will ever do a seminar but i will
consider buying a study guide because i like the
way you aproach problems with precision and consistency
thanks for the help.
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