{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Problem Set 2

# Problem Set 2 - 56 395 13 9 8-9 8 13 10 9-10 9 13 11 10-11...

This preview shows pages 1–5. Sign up to view the full content.

Probl em Set 2 A & B) Year AgeGr oup Age Pop # Pop Dead Age Risk* Age*Dead 1 0--1 0 20000 0 0/2000 0 0 2 1--2 1 20000 0 0% 0 3 2--3 2 20000 0 0% 0 4 3--4 3 20000 0 0% 0 5 4--5 4 20000 0 0% 0 6 5--6 5 20000 0 0% 0 7 6--7 6 20000 0 0% 0 8 7--8 7 20000 0 0% 0 9 8--9 8 20000 0 0% 0 10 9--10 9 20000 0 0% 0 11 10--11 10 20000 0 0% 0 12 11--12 11 20000 0 0% 0 13 12--13 12 20000 0 0% 0 14 13--14 13 20000 0 0% 0 15 14--15 14 20000 0 0% 0 16 15--16 15 20000 0 0% 0 17 16--17 16 20000 0 0% 0 18 17--18 17 20000 0 0% 0 19 18--19 18 20000 0 0% 0 20 19--20 19 20000 0 0% 0 21 20--21 20 0 20000 100% 400000 sum 400000 Mean Of Age @Death or expectation of life = 400000/20000 = 20 Mean Age @Death; or Life Expectancy @birth = (Sum of Age * # of Dead)/ Sum of Total Dead *age - specifi c risk

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
of dying = deaths per age group/ # of people in group 0 deaths in for fish, ages 0--1 / 20,000 fish = 0% age specif ic risk of dying 20,000 deaths for fish, ages 20 --21 / 20,000 fish = 100% age specific risk of dying
C -- G) Year AgeGro up Age Pop # Pop Dead Age*Dea d (dead *(x - mean) % 1 0--1 0 1000 0 0 0% 2 1--2 1 1000 0 0 0% 3 2--3 2 870 113 226 13% 4 3--4 3 757 98 342 13% 5 4--5 4 659 86 342 13% 6 5--6 5 573 74 372 13% 7 6--7 6 498 65 389 13% 8 7--8 7 434

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 56 395 13% 9 8--9 8 377 49 392 13% 10 9--10 9 328 43 384 13% 11 10--11 10 286 37 371 13% 12 11--12 11 248 32 355 13% 13 12--13 12 216 28 337 13% 14 13--14 13 188 24 318 13% 15 14--15 14 164 21 298 13% 16 15--16 15 142 19 278 13% 17 16--17 16 124 16 258 13% 18 17--18 17 108 14 238 13% 19 18--19 18 94 12 219 13% 20 19--20 19 82 11 201 13% 21 20--21 20 71 9 184 13% 808 5901 Mean (age of death) = 5.90053 G) If humans (large scale fishing) is cause of death their probability of death is likely to be greater when fish are have reached maturity. Columbia University EESC V1201.001 : ENVIRONMENT RISKS & DISASTERS (Spring 2010) Pritwiraj Moulik Don Duval Patterson UNI: ddp2110...
View Full Document

{[ snackBarMessage ]}