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Showing results 1 to 16 of 16
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Search: Posts Made By: ScorpioAB
Forum: Probability 03-21-2014, 01:03 PM
Replies: 9
Views: 803
Posted By ScorpioAB
arrrrrrrgh I still can't follow the steps...how...

arrrrrrrgh
I still can't follow the steps...how to get there....
Forum: Probability 03-20-2014, 01:26 PM
Replies: 9
Views: 803
Posted By ScorpioAB
But I have trouble finding cdf of Z as well....

But I have trouble finding cdf of Z as well....
Forum: Probability 03-20-2014, 01:20 PM
Replies: 9
Views: 803
Posted By ScorpioAB
Question Help on: Product of two random variables

How to find the PDF of random variable Z
Z=X*Y, both X and Y are continuous random variables
where X~Unif [0,1] and Y~Unif [0,2]
anybody??
Forum: Long-Term Actuarial Math 03-20-2014, 01:15 PM
Replies: 17
Views: 1,466
Posted By ScorpioAB
Thanks to all! I switched to ASM 13th edition now...

Thanks to all! I switched to ASM 13th edition now :)
Forum: Long-Term Actuarial Math 03-20-2014, 01:12 PM
Replies: 4
Views: 882
Posted By ScorpioAB
Thanks Abraham, I switched to ASM 13th edition...

Thanks Abraham, I switched to ASM 13th edition now :)
Forum: Long-Term Actuarial Math 03-13-2014, 08:43 AM
Replies: 17
Views: 1,466
Posted By ScorpioAB
Thumbs up So lx*mu(x+t) wouldn't even be a valid...

So lx*mu(x+t) wouldn't even be a valid expression, correct??
And mu(x+t) is proportional to mu(x)??
Is mu(x+t) one variable or two variables??


Lastly, thanks to clarinetist for the original...
Forum: Long-Term Actuarial Math 03-13-2014, 08:38 AM
Replies: 4
Views: 882
Posted By ScorpioAB
Wink What do you mean by there's no way it's the...

What do you mean by there's no way it's the future lifetime rv?
Isn't Tx the expected total life years lived after age x by the lx individuals alive at age x? so T20 would have a value to it.
And...
Forum: Long-Term Actuarial Math 03-12-2014, 06:15 PM
Replies: 17
Views: 1,466
Posted By ScorpioAB
Thanks for all the explanations!! Phileas Fogg...

Thanks for all the explanations!!
Phileas Fogg & Mary Hardy & CuriousGeorge

:D
Forum: Long-Term Actuarial Math 03-12-2014, 05:51 PM
Replies: 17
Views: 1,466
Posted By ScorpioAB
Lightbulb CuriousGeorge, So basically it's saying...

CuriousGeorge,

So basically it's saying generally mu(x) and/or mu(x+t) is an increasing function, therefore, that shown graph must have to be multiplied by a decreasing function like lx.
...
Forum: Long-Term Actuarial Math 03-12-2014, 04:44 PM
Replies: 17
Views: 1,466
Posted By ScorpioAB
Question I think the part I don't get is: why is the graph...

I think the part I don't get is: why is the graph of mu(x) would be increasing??
Cuz all I know is that s'(x) is non-positive since s(x) is non-increasing, that means s'(x) can oscillate and doesn't...
Forum: Long-Term Actuarial Math 03-12-2014, 06:20 AM
Replies: 4
Views: 882
Posted By ScorpioAB
Question Quick check-up on Mortality Function in Life Table Notation

Hi all,

Just wanna double check on the formula for Tx,
If I remember it correctly, Tx = lx * oex
Which means the sample problem here has the solution wrong
Here it says T20 = l0 * oe20 =...
Forum: Long-Term Actuarial Math 03-11-2014, 05:40 PM
Replies: 17
Views: 1,466
Posted By ScorpioAB
Colymbosathon ecplecticos & Phileas Fogg: I...

Colymbosathon ecplecticos & Phileas Fogg:

I can see both of yours explanations, but I just couldn't understand the math behind it.
The solution says, since mu(x + t) = -s'(x) / s(x) which is > 0,...
Forum: Long-Term Actuarial Math 03-11-2014, 12:01 PM
Replies: 17
Views: 1,466
Posted By ScorpioAB
Help on Mortality Functions in Life Table Notation

Hi all,

While studying I was stuck on this problem:
The problem gives this graph (I don't know how to paste the graph here so I attached it) and asks "Which function of age does the graph most...
Forum: Long-Term Actuarial Math 03-08-2014, 06:30 AM
Replies: 2
Views: 553
Posted By ScorpioAB
Thank you Gandalf!! I overthink on this,...

Thank you Gandalf!!

I overthink on this, nothing really relates to MLC material lol.
But thanks for your explanation, you made me very clear now :)
and sorry for the missing sign there :P
...
Forum: Long-Term Actuarial Math 03-08-2014, 05:50 AM
Replies: 2
Views: 553
Posted By ScorpioAB
Question Help plz! Given pdf to estimate prob. of small interval

From an online study material, an example question under Age-At-Death RV.

An age-at-death random variable is modeled by an exponential random variable
with PDF f(x) = 0.34e^0.34x; x >= 0. Use the...
Forum: Financial Mathematics 05-01-2013, 03:09 PM
Replies: 4
Views: 1,420
Posted By ScorpioAB
Ya I'm having the same confusion here too.... I...

Ya I'm having the same confusion here too....
I understand how 'Convertible semiannually' only credit the interest every .5 year, so at t = 7.25 it would be the same amount as t = 7. But I'm little...
Showing results 1 to 16 of 16

 

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