# Recent Content by Hemant Rupani

1. Post

### Chapter 11 - Page 17/18 - normal approx to recursive formula

Looks like you are using E(X^2), where it should be [E(X)]^2. Actual answer is... Var(S)=E(N)*Var(X)+Var(N)*[E(X)]^2 =10*2+10*1^2=30
Post by: Hemant Rupani, Mar 17, 2019 in forum: SP8
2. Post

### September 2017 Question 6 (ii) - Exposure curves

Let L be loss amount, second column is $$\sum\limits_{L<=(x\%~of~MPL)} L$$ third column is$$\sum\limits_{L>(x\%~of~MPL)} (x\%~of~MPL)$$ you...
Post by: Hemant Rupani, Mar 12, 2019 in forum: SP8
3. Profile Post Comment

### https://ifoa-www.s3.eu-west-2.amazonaws.com/live/s3fs-public/curriculum/specimen_papers/SPECIMEN%...

https://ifoa-www.s3.eu-west-2.amazonaws.com/live/s3fs-public/curriculum/specimen_papers/SPECIMEN%20EXAM%20PAPER_CS2B_IFoA_2019_final_0.pdf...
Profile Post Comment by Hemant Rupani, Feb 5, 2019
4. Post

### Recursive formula - Q11.3 in CR Chapter 11

1. relationship between Gamma function $$\Gamma$$ and factorial $$!$$ is $$\Gamma(n)=(n-1)!$$ - now you can link the answer. 2....
Post by: Hemant Rupani, Aug 24, 2018 in forum: SP8