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#11
09-09-2005, 04:41 PM
 KAJ7481 Member Join Date: May 2005 Location: Philadelphia, PA Posts: 498

I too got the same thing as Scottie
#12
09-09-2005, 05:06 PM
 Scottie Member Join Date: Aug 2005 Posts: 44
Better explanation

Sorry if my explanation wasn't very good. If you look at e(circle) 20 and e(circle) 26.3, notice that the expected future lifetime lasts until age 61.2. Because of this, current age doesn't matter between the ages of 20 and 26.3. Every life in that age range will be expected to live until age 61.2 e (circle) 21 = 40.2, e (circle) 21.3 = 39.9, etc.

If you realize this, then you can also deduce that tpx =1, as long as 20 <=x<=26.3.

If you like recursions, you know e 24:2 = p24 + p25. Since p24 = 1 and p25 = 1, e 24:2 = 2.

Hope this makes more sense!
#13
09-09-2005, 06:45 PM
 Debaser Member CAS AAA Join Date: Mar 2004 Favorite beer: full sail pale ale Posts: 528

Quote:
 Originally Posted by Scottie If you like recursions, you know e 24:2 = p24 + p25. Since p24 = 1 and p25 = 1, e 24:2 = 2. Hope this makes more sense!
Minor point that doesn't make a lick of difference here, but:

e_24:2 = 1_p_24 + 2_p_24 = p_24*(1 + p_25)
#14
09-09-2005, 10:19 PM
 Scottie Member Join Date: Aug 2005 Posts: 44
Oops

You're right, my mistake. Those careless errors always end up costing me when it comes to exam time.
#15
09-14-2005, 03:21 PM
 G.V.Ramanathan Member Join Date: Mar 2003 Location: Chicago Posts: 316
#2

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#16
09-14-2005, 04:31 PM
 appleapple Member Join Date: Sep 2003 Posts: 373

I get .1885 for the premium on number 2.
#17
09-15-2005, 10:19 AM
 KAJ7481 Member Join Date: May 2005 Location: Philadelphia, PA Posts: 498

I got 0.2, how did you get 0.1885?
#18
09-15-2005, 05:16 PM
 Tom Actuarial Outpost AdministratorContact me:Send me a PM or email metom.troceen@dwsimpson.com CAS SOA COPA Join Date: Jan 2005 Location: Sitting in front of a red button w/ your name on it College: FSU ActSci Alumni Favorite beer: Coors Light, PBR, New Castle, Root, Sapporo Reserve Posts: 6,996 Blog Entries: 7

Just so there's a record of it, I unstuck this thread:

and made this one the new sticky.

Good Luck, study hard, and don't be this guy in line on exam day
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#19
09-15-2005, 05:29 PM
 wat? Member SOA Join Date: May 2004 Location: Hi Studying for FRM Exam Posts: 27,359

Quote:
 Originally Posted by Tom Good Luck, study hard, and don't be this guy in line on exam day
Unrelated, but can we have a :deerinheadlights: smiley?

Good luck, Exam M takers!
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#20
09-15-2005, 09:09 PM
 Scottie Member Join Date: Aug 2005 Posts: 44

Quote:
 Originally Posted by KAJ7481 I got 0.2, how did you get 0.1885?
That's what I got too, but that seems to be too easy.

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