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#41
05-15-2009, 08:05 PM
 Dr. Nuke Member Join Date: Feb 2009 Location: SW Chicago 'burbs Studying for C College: Hope College (B.S.) ND (Ph.D.) Favorite beer: Oregon Pinot Noir Posts: 86
My notes for passing exam P

Here is the pdf I used for reviewing for Exam P. I can't upload the raw tex as it exceeds the upload limit by a few K. If you want it, send a message or email and I'll be happy to provide it.

Cheers!
-Don
Attached Images
 ProbReview.pdf (156.6 KB, 6663 views)

Last edited by Dr. Nuke; 05-17-2009 at 11:55 PM.. Reason: Incorporated comments from optimizer
#42
05-15-2009, 10:27 PM
 Actuarialsuck Member Join Date: Sep 2007 Posts: 6,114

When you talk about cont. dist., Pr(X = x) = 0 not F'_{X}(x).

Also V(aX + bY + c) = a^2 V(X) + b^2 V(Y) if X and Y are ind.

(minor issues I guess)
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#43
05-15-2009, 11:47 PM
 Dr. Nuke Member Join Date: Feb 2009 Location: SW Chicago 'burbs Studying for C College: Hope College (B.S.) ND (Ph.D.) Favorite beer: Oregon Pinot Noir Posts: 86

Thanks!

I had the generic Var expression (that includes covariance) on p. 5, but added a note on p. 2 that this was a special case. Thanks also for noticing my "lazy writing" of the relation between f_X and F_X, that implied an incorrect relationship to Pr(X=x).

I corrected these minor points and uploaded a new attachment.
-Don
#44
05-16-2009, 12:35 PM
 optimizer Member Join Date: Mar 2009 Studying for VEE & FAP Posts: 352

In the first line of Section 2.1.1 the lower limit of the integrals should be $-\infty$.

In Section 2.1.3 the Markov inequality requires that X be a nonnegative rv and a>0.

---

On a minor note, in Section 3.4 your formula for the pdf of a transformation of continuous rv's requires the transformations to be strictly monotonic on their support.

Last edited by optimizer; 05-16-2009 at 12:54 PM.. Reason: Added more
#45
05-17-2009, 11:53 PM
 Dr. Nuke Member Join Date: Feb 2009 Location: SW Chicago 'burbs Studying for C College: Hope College (B.S.) ND (Ph.D.) Favorite beer: Oregon Pinot Noir Posts: 86

Thanks for the feedback optimizer. I have noted the Markov requirement and changed the integration limits.

Regarding the inverse transformation, I agree this is a minor point. This was *MY* review sheet, I hope it's useful to others. For me it was a given that a function must be 1-1 to have a definite inverse so I didn't bother writing that explicitly. I just wanted this to be something to remind me of the Jacobian and form of the transform. Thanks for your attention to detail. I'm glad there were only these few nitpicks on the document.

Cheers!
#46
06-25-2009, 02:48 PM
 ukmactuarialstudent0809 CAS SOA Join Date: Mar 2009 Location: Malaysia Studying for Exam FM College: National University of Malaysia Favorite beer: Dutch lady Milk Posts: 25

Quote:
 Originally Posted by unique how do i print it out it when i went to associated website it only printed as picture and very small. thanks

My solution is :
Please go to my blog > Actuarial Examination – Exam Probability P/1 Shortcuts > right click image > click "view image" > enlarge by left click image

Very sorry again for replying late...
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Web-based Actuarial Mock Exam System (Wames) is aimed to help students to pass actuarial CBT exams by offering free practice tests. Even though this website does not provide real exam simulation, but it is a totally free service! Inspired by Prof. Elias Saab from University of Missouri-Columbia.

Last edited by ukmactuarialstudent0809; 09-04-2009 at 03:47 PM.. Reason: Link error
#47
07-17-2009, 04:13 PM
 blackbird Member Join Date: Jul 2009 Location: Pac NW Studying for mfe College: Oregon State Alumni Posts: 46

Word Document with my Exam P notes. I wrote verbal descriptions that helped me remember and understand the various distributions. Also included are a number of shortcut formulas I found very helpful.
Attached Files
 My_Distributions.doc (379.0 KB, 4110 views)
#48
10-09-2009, 02:07 AM
 smwentum Member Non-Actuary Join Date: Jul 2009 Studying for software developer College: college of duh! Posts: 1,168

Quote:
 Originally Posted by matt_madison I found my old notes from last February, and thought I'd post them. The notes are in the pdf file, and were written using LaTeX. The zip file is the original .tex file for those that want to edit the notes.

These notes were very helpful to me. thank yo so much for posting them. They calmed me down the day of my exam. Thanks again
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Quote:
 Originally Posted by Inconceivable Does he math good? I need a geek in the streets but a mathlete in the sheets.
#49
01-04-2010, 07:47 PM
 Sugarfoot1001 Member SOA CCA AAA Join Date: Jun 2008 Favorite beer: beer is bad for you Posts: 118

Can somebody please share a statement of the famous "Darth Vader rule". Thanks
#50
01-04-2010, 08:24 PM
 Actuarialsuck Member Join Date: Sep 2007 Posts: 6,114

Search function is your friend, love it http://www.actuarialoutpost.com/actu...archid=5130181
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Quote:
 Originally Posted by Buru Buru i'm not. i do not troll.