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2d
awarded  Enlightened
May
22
awarded  Nice Answer
May
19
revised how to tell whether x and y are independent or not
added 740 characters in body
May
19
answered how to tell whether x and y are independent or not
May
18
awarded  Constituent
May
14
awarded  Nice Answer
May
12
comment The Integral that Stumped Feynman?
As the answer by Joel shows, this answer refers to a different situation than the question.
May
8
awarded  Informed
May
7
comment I have R-CODE for coumpute run off triangle in IBNR(method of simulation)
They want to calculate Incurred But Not Reported (IBNR) reserves for insurance. This is done usually using a type of triangle called a loss triangle or something of that sort. They have some R code to compute it. But, even with all that, there's still no way to make sense of this question.
May
6
awarded  Caucus
Apr
27
awarded  Popular Question
Apr
14
awarded  Nice Answer
Apr
7
comment Bonds and Force of Interest
Force of interest is instantaneous. If you want to discount back 1 year, it's not just the value of the force of interest at time 1, it has to do with the value of the force over the entire year. In many problems, it's constant so you don't have to worry about it, but here it varies.
Apr
4
awarded  Taxonomist
Mar
24
awarded  Yearling
Mar
15
awarded  Nice Answer
Mar
14
comment Graph theory (Chromatic Polynomial)
I think you forgot to put the homework tag and also forgot to put any effort into this at all.
Mar
3
comment Square matrices with one constant on the main diagonal and a second constant everywhere else.
This isn't really on topic, but what do all of you think of the alternative "diagonable matrix"? It's in Horn and Johnson and I had a friend who said it instead just because it sounds funny.
Feb
25
awarded  Nice Answer
Feb
23
comment solving $\sqrt{3-\sqrt{3+x}}=x$.
You found one solution... but how many are there?