Revision as of 22:53, 15 January 2024 by Admin (Created page with "You are given: i) <math>\mu_{x+t}=\beta t^{2}, t \geq 0</math> ii) <math>l_{x}=1000</math> iii) <math>l_{x+10}=400</math> Calculate <math>1000 \beta</math>. <ul class="mw-excansopts"><li> 2.75</li><li> 2.80</li><li> 2.85</li><li> 2.90</li><li> 2.95</li></ul>")
Jan 15'24
Exercise
You are given:
i) [math]\mu_{x+t}=\beta t^{2}, t \geq 0[/math]
ii) [math]l_{x}=1000[/math]
iii) [math]l_{x+10}=400[/math]
Calculate [math]1000 \beta[/math].
- 2.75
- 2.80
- 2.85
- 2.90
- 2.95
Jan 15'24
Answer: A
[math]{ }_{10} p_{x}=\frac{l_{x+10}}{l_{x}}=e^{-\int_{0}^{10} \mu_{x+1} \cdot d t}=\gt\frac{400}{1000}=e^{-\int_{0}^{10} \beta t^{2} \cdot d t}=\gt0.4=e^{-\beta t^{3} / 3 b^{10}}[/math]
[math]==\gt0.4=e^{-\beta \cdot 100^{3} / 3}==\gt\ln (0.4)=-\beta\left(\frac{1000}{3}\right)==\gt\beta=-\ln (0.4)(.003)=0.0027489[/math]