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Search: Posts Made By: Adamhman
Forum: Financial Mathematics 04-21-2009, 09:43 PM
Replies: 2
Views: 728
Posted By Adamhman
Thanks so much! That worked perfectly! I'm...

Thanks so much! That worked perfectly!

I'm going to post a picture of the workings when I write it out nicely.
Forum: Financial Mathematics 04-21-2009, 09:14 PM
Replies: 2
Views: 728
Posted By Adamhman
Annuity question

Question
2 annunities have the same present value.

(a) a 20-year annunity-immediate with annual payments of 55
(b) a 30-year annunity immediate with annual payments of 30 for the first 10 years,...
Forum: Non-Actuarial Topics 11-25-2008, 05:11 PM
Replies: 45
Views: 2,967
Posted By Adamhman
Agreed. She's got emotional issues.

Agreed.

She's got emotional issues.
Forum: Non-Actuarial Topics 11-13-2008, 08:17 PM
Replies: 128
Views: 9,001
Posted By Adamhman
I'd like to try some too! I keep kosher and...

I'd like to try some too!

I keep kosher and have certainly never tasted bacon. I maybe it could make a good seasoning for a bbq?
Forum: Financial Mathematics 10-17-2008, 02:23 PM
Replies: 6
Views: 1,414
Posted By Adamhman
Get Guo or ASM, instead of ACTEX. (I haven't...

Get Guo or ASM, instead of ACTEX.
(I haven't seen BPP)
Forum: Financial Mathematics 10-16-2008, 01:10 PM
Replies: 5
Guo
Views: 868
Posted By Adamhman
For P it is stand alone. For FM you could...

For P it is stand alone.

For FM you could get the derivatives book. But it is stand alone for interest theory.
Forum: Financial Mathematics 10-13-2008, 10:44 AM
Replies: 5
Guo
Views: 868
Posted By Adamhman
Guo is great.

Guo is great.

I used it for P and FM!

Such an awesome manual!!
Forum: Probability 05-29-2008, 02:22 AM
Replies: 86
Views: 312,375
Posted By Adamhman
Smile Exam P notes.

My Exam P Distribution Tables.

Any corrections or anything to add, please e-mail me.
Forum: Financial Mathematics 05-23-2008, 04:27 PM
Replies: 5
Views: 3,794
Posted By Adamhman
Thumbs up GUO

I used Guo. Only Guo. And passed the first time.

Guo teaches lots of calculator shortcuts which saved me lots of time.

Get both the TI-30XII and BA II Plus Professional.

The Professional,...
Forum: Probability 05-22-2008, 02:12 AM
Replies: 55
Views: 7,963
Posted By Adamhman
Thumbs up Yes.

Yes.

\int_0^5 \frac{2}{25}r^2 dr = \frac{2}{75}[r^3]_0^5= \frac{2}{75}(5^3)=3.333
Forum: Probability 05-21-2008, 09:42 PM
Replies: 55
Views: 7,963
Posted By Adamhman
Whats the solution? How do you solve it?

Whats the solution? How do you solve it?
Forum: Probability 05-21-2008, 05:25 PM
Replies: 7
Views: 2,118
Posted By Adamhman
Guo!

I used Guo!

It was absolutely amazing at teaching the material, but doesn't have as many practice problems as Actex...... which I didn't care about since there are a lot of past exams that you can...
Forum: Surveys 05-16-2008, 05:09 AM
Replies: 10
Views: 3,173
Posted By Adamhman
I think you've got a much weaker obligation to a...

I think you've got a much weaker obligation to a girlfriend than you do to a wife.

The only reason to hide them, that I can think of right now, is if you're planning a surprise party or something...
Forum: Probability 05-15-2008, 06:49 PM
Replies: 8
Views: 1,668
Posted By Adamhman
Preliminary Pass, whoo hoo. It seems that...

Preliminary Pass, whoo hoo.

It seems that there's a lot more that wasn't tested, than what was tested.

Do I still count as a newbie?
Forum: Probability 05-14-2008, 11:43 PM
Replies: 8
Views: 1,668
Posted By Adamhman
Exam P tomorrow!

I'm taking Exam P tomorrow.

Thanks to everyone who helped answer my questions.

Especially Gandalf and JRaven.


:wav::wav:
Forum: Probability 05-14-2008, 02:44 AM
Replies: 3
Views: 927
Posted By Adamhman
Var(W)=(100^2)50+(100^2)30+2(100^2)10=(100^2)100=1...

Var(W)=(100^2)50+(100^2)30+2(100^2)10=(100^2)100=1,000,000

OR
Var(X+Y)=Var(X)+Var(Y)+2Cov(X,Y)
Var(X+Y)=50+30+2(10)=100

Var(W)=100(100)=10,000


Which one is wrong?
Forum: Probability 05-14-2008, 12:03 AM
Replies: 3
Views: 927
Posted By Adamhman
Variance

E(X)=50
E(Y)=20
Var(X)=50
Var(Y)=30
Cov(X,Y)=10

W=100X+100Y

What is Var(W)?
Forum: Probability 05-11-2008, 01:00 AM
Replies: 7
Views: 12,814
Posted By Adamhman
solutions

And solutions to the 134 problems.

http://www.soa.org/files/pdf/edu-2008-spring-p-sols.pdf
Forum: Probability 05-07-2008, 07:29 PM
Replies: 4
Views: 986
Posted By Adamhman
Ahhhh. I see. When the original problem says,...

Ahhhh. I see. When the original problem says, "that will guarantee that the probability is 0.95" it means that the P(whatever)>0.95

So it should be like this: P[|X-EX|<k\sigma]>0.95

Then it...
Forum: Probability 05-07-2008, 06:10 PM
Replies: 4
Views: 986
Posted By Adamhman
So the remaining piece must be > (1-c) Which...

So the remaining piece must be > (1-c)

Which gives me: P[|X-EX|>k\sigma]>0.05

But he has: P[|X-EX|>k\sigma]<0.05
Forum: Probability 05-07-2008, 05:47 PM
Replies: 4
Views: 986
Posted By Adamhman
Question Chebyshev

Here is the problem and solution from Guo, Page 338.
I underlined the parts that I didn't understand, in red.

http://img229.imageshack.us/img229/2266/chebao0.png


I don't understand how to...
Forum: Probability 05-05-2008, 09:42 PM
Replies: 3
Views: 1,745
Posted By Adamhman
Exclamation Property of Joint MGF

From Page 326 of Guo's Deeper Understanding Manual.


One of the properties of joint MGF:

If M_{X,Y}(s,t) is finite in a rectangle containing (0,0), then the joint pdf f_{X,Y}(x,y) is...
Forum: Probability 05-03-2008, 04:44 PM
Replies: 5
Views: 3,925
Posted By Adamhman
Here is the problem and solution, from Guo's Exam...

Here is the problem and solution, from Guo's Exam P Manual. Page 301.

http://img225.imageshack.us/img225/5166/guoym3.jpg

I did not feel that the equation for variance was correct, and I agree...
Forum: Probability 05-02-2008, 08:45 PM
Replies: 5
Views: 3,925
Posted By Adamhman
Double Expectation

X is a Poisson random variable with mean \lambda. \lambda is uniformly distributed over [0,6].
Calculate E(X) and Var(X).


This is my solution:

Part 1:

E(X)=E_{\lambda}[E(X|\lambda] =...
Forum: Probability 05-01-2008, 06:44 PM
Replies: 5
Views: 1,598
Posted By Adamhman
Thanks for the reply Dave. You are correct. ...

Thanks for the reply Dave. You are correct.

When I set up the Y's like below, it worked out correct.

Y_1=X_{(1)}----------Y_2=X_{(2)}-X_{(1)}
X_{(1)}=Y_1----------X_{(2)}=Y_1+Y_2
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