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Forum: Short-Term Actuarial Math 06-08-2019, 01:53 PM
Replies: 0
Views: 154
Posted By joelcheung
SOA Exam STAM #328

The solution states that 'For losses in AY4 the projection is 2.333 years', and 'For losses in AY3 the projection is 3.333 years'.

May I check what is the start and end points of the...
Forum: Short-Term Actuarial Math 06-01-2019, 04:28 AM
Replies: 1
Views: 262
Posted By joelcheung
#240

May I ask why we have to use the Buhlmann Semiparametric approach to solve this question instead of using the Bayesian inference as stated in the question to tackle this question?
Forum: Short-Term Actuarial Math 05-18-2019, 12:59 AM
Replies: 3
Views: 2,045
Posted By joelcheung
I have a question on the part on the Variance of...

I have a question on the part on the Variance of lambda. I used the formula for the discrete uniform distribution, because the question stated the range using the definite bracket, i.e. [ . ]. But...
Forum: Short-Term Actuarial Math 05-14-2019, 08:36 AM
Replies: 4
Views: 864
Posted By joelcheung
Hi gauchodelpaso, May I know what are the...

Hi gauchodelpaso,

May I know what are the formulas used to solve this question? I am using the ACTEX Sprig 2018 Exam STAM study manual but I couldn't find the formulas needed to solve this...
Forum: Short-Term Actuarial Math 05-14-2019, 02:05 AM
Replies: 3
Views: 386
Posted By joelcheung
Ahh I see, thank you for the explanation!!

Ahh I see, thank you for the explanation!!
Forum: Short-Term Actuarial Math 05-13-2019, 08:54 AM
Replies: 3
Views: 386
Posted By joelcheung
SOA #317

In the newer edition of the SOA Exam STAM sample questions, one of the few newly added question is #317.

I understand that the earned premium of CY2 is 1.092375P but when finding the factor needed...
Forum: Short-Term Actuarial Math 12-21-2018, 01:10 PM
Replies: 1
Views: 785
Posted By joelcheung
SOA #87

Looking at the 6th line in the solution, i.e. E(X-20)+ = E(X) - ....

I understand that this line is using the formula E[(X-20)+] = E(X) - E[(X^20)],
but how does that second part of the 6th line...
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