Question

Given the following table which relates to the number of animals of a certain species at age x . Complete the life table with dx, qx, Lx and Tx.

x	0	1	2	3	4	5
lx	1000	850	760	360	25	0

Answer 1

x	lx	dx=lx-lx+1	qx = `d_x/l_x`	lx=`(l_x+l_x+1)/2`	Tx =lx+ Tx+i
0	1000	150	`3/20`	925	2495
1	850	90	`9/85``	805	1570
2	760	400	`10/19`	560	765
3	360	335	`67/72`	192.5	205
4	25	25	1	12.5	12.5
5	0	___	___	___	___