on Survivotjhips. 
34i 
Seventy years difference. 
Eighty years differ 
ence. | 
Ninety years difference. 
Ages. 
Probabilities. 
Ages. | 
Probabilities. | 
1 
Ages. 
1 
Probabilities. 
7 1 — 1 
3 ° *49 
69. 5 1 
81- 1 
2 4-95 ! 
75-05 
91- 1 
18.93 
8 1 07 
72 — 2 
I 9*45 
8 o .55 
82— 2 
H -37 ! 
85.63] 92- 2 
9.18 
90.82 
73 - 3 
1487 
85-13 
83- 3 
10.34 
89.66 j 93- 3 
5-53 
94.46 
74 - 4 
n.59 
88.41 
84- 4 
7-63 
9 2 -37 
94 - 4 
3.12 
96.88 
75 - 5 
9.80 
90 20 
85 - 5 
6*34 
93.66 
95 - 5 
2.12 
97.88 
76— 6 
7.98 
92.02 
86- 6 
4.92 
95.08 
96—6 
1 > 1 S 
98.85 
11 - 7 
6.60 
93-40 
87- 7 
3-85 
96.15 
78— b 
5 53 
94-47 
88- 8 
3-°4 
96.96 
79 - 9 
4.84 
95 - 16 
89- 9 
2.50 
97-50 
80- 10 
4-44 
95 - 5 ^ 
90— 10 
2.16 
97.84 
81 - 1 1 
4.18 
95.82 
91 — 11 
1.86. 
98.14 
82- 12 
3-97 
96.03 
92—12 
i -57 
9 8 -43 
83 — J 3 
3.80 
96.20 
93 — 1 3 
1.25 
98.75 
• 
84- 14 
3 * 7 2 
96.28 
94-H 
0.97 
99°3 
3.68 
96.32 
95-15 
0.70 
99.30 
86 - 16 
3-70 
96.3° 
96—16 
0-49 
99 . 5 i 
87-17 
3-73 
96.27 
88-18 
3-75 
96.25 
89— *9 
3- 6 7 
96-33 
90— 20 
3-45 
96-55 
91 — 21 
3-°9 
96.91 
92 — 22 
2.63 
97*37 
93 — 23 
2.10 
97 - 9 ° 
94— 24 
1.64 
98.36 
95-25 
i.i 8 
98.82 
96 — 26 
0.80 
99.20 
PROBLEM II. 
Suppofing the ages of A and B to be given ; to determine, 
from any table of obfervations, the prefent value of the fum 
S payable on the contingency of one life’s furviving the 
other. 
Z Z 2 
S O L u 
