LTAM MC Solutions, Fall 2019 - Society of Actuaries
LTAM MC Solutions, Fall 2019
1. Answer A 15 px 5 px 10 px5 15 px 0.764591 5 px 0.955290 10 px5 0.800
2. Answer D
0.4q4(10)
0.032
q(1) 40
0.032 0.4
0.08
p( ) 40
1
q(1) 40
q(2) 40
0.845
and
0.6q4(20)
0.045
q(2) 40
0.045 0.6
0.075
3. Answer B The central exposed-to-risk is E7c5 0.8 1 0.4 2.2 dx 2 p^ x e2/2.2 0.403 q^x 1 e2/2.2 0.597
4. Answer C log(m(65, 2018)) 65 65K2018 K2018 ~ N (, 2 ) where 9 2(0.35) 9.7 and 0.75( 2) 1.06066 80%ile of K2018 0.842 8.8069 80%ile of log(m(65, 2018)) 2.6 0.04(8.8069) 2.95
5. Answer C
3 px00 e3(0.01) 0.970446
1
p00 x3
e(0.010.120.08)
0.810584
4 px00 0.970446 0.810584 0.78663
6. Answer A
d
dt
t
V
(0
)
V (0)
t
10, 000 65t
t V (1) t V (0) 55t
tV (2) tV (0)
At t 10 :
10V (1) 8, 000 a65 103,133; 10V (2) 8, 000 a75 77,810
d dt
tV
(0)
0.05109, 650
10, 000 0.017552103,133 109, 650
0.00560577,810 109, 650
4224.65
7. Answer B
EPV Death Benefit: 100, 000 A1 65:20
100, 000( A 65:20
20
E65 )
100, 000(0.43371 0.24381) 18,990
EPV Annuity Benefit: 45, 00020E65 a85 45, 000(0.24381)(6.7993) 74,598 EPV Premiums: Pa 11.8920P
65:20
P 7,870
8. Answer D
a(4) 80
a80
3 8
15 1216
80
8.5484
3 8
15 1216
0.030162 ln(1.05)
8.1672
a(4) 90
a90
3 8
15 1216
90
5.1835
3 8
15 1216
0.096590 ln(1.05)
4.7971
a(4) 80:10
8.1672 10 E80
4.7971 6.5385
20, 000 a(4) 130, 770 80:10
9. Answer E 1, 250,000 250,000 Xa55 100,000A55 X 60,802
10. Answer D
EPV 1000 p6001v 2 p6001v2 3 p6001v3 4 p6001v4 5 p6001v5 1000 0.01v 0.03v2 0.04v3 0.05v4 0.07v5
173
11. Answer D
12P 0.95 a(12) 0.6 1, 000, 000A(12)1
50:10
50:10
a(12) 50:10
(12)a 50:10
(12) 110E50 1.00028.0550 0.46651(1 0.60182) 7.87086
A(12)1 i
i 50:10
(12)
A 50:10
E 10 50
1.02271 0.61643 0.60182
0.014942
P 181.05
12. Answer A
Pa5000
30,
000
A01 50
50,
000
A02 50
20,
000
A03 50
P 1193.7
13. Answer A Pn 1000 A60 / a60 33.115; PFPT 1000 A61 / a61 35.110
10V n 10V FPT 1000 A70 Pna70 1000 A70 PFPT a70 PFPT Pn a70 17.09
Or
10V
n
10001
a70 a60
an d
V FPT
10
10001
a70 a61
10V n
10 V FPT
10001
a70 a60
10001
a70 a61
1000
a70 a61
a70 a60
17.13
14. Answer B
P
100, 000( A61
0.5A 1 61:20
)
100, 000
0.30243 0.50.41417 0.28641
1628.43
a61
14.6491
or
P 50, 000( A61 20 E61 A81)
50, 000
0.30243 0.50.41417 (0.28641)(0.60984)
1628.41
a61
14.6491
20V n 100, 000A81 Pa81 47, 641
15. Answer E
1V
100, 000A01 61:4
200, 000 A02 61:4
7000a 61:4
A01 61:4
4
v p t 00 01 t 61 61t
0
dt 4 e0.02te0.06t 0.05 dt 0.05
0
0.08
1 e4(0.08)
0.17116
A02 61:4
4
v p t 00 02 t 61 61t
0
dt
4
e e 0.02t 0.06t 0.01 dt
0
0.01 0.08
1 e4(0.08)
0.03423
a00 61:4
1
v1
p00 61
v
2 2
p00 61
v33
p00 61
1 e0.08 e0.16
e0.24
3.5619
1V 971
16. Answer D
Pr2 1V P E (1 i) q61 100, 000 p61 2V
(325 700 (0.04)(700))(1.06) 100, 000(0.003792) (1 0.003792)(600) 79.9
17. Answer C
States at t =1,2 0, 0
0, 1 1, 0 1, 1
Probability 0.72 0.49 0.70.3 0.21 0.30.6 0.18 0.30.4 0.12
Final Average Salary (100,000+100,000)/2 = 100,000
(100,000+105,000)/2=102,500 (105,000+105,000)/2=105,000 (105,000+110,250)/2=107,625
So the expected final salary is 0.49100,000 0.21102,500 0.18105,000 0.12110, 250 102,340
18. Answer C
AL0 20(55, 000)(0.013) (33, 000)(0.02) 15 p50 v15(13.086) 166, 083 EPV0 of AL1 21(55, 000)(0.013) (35, 200)(0.02) 15 p50 v15(13.086) 179,968
NC 179,968 166, 083 13,885
19. Answer E
(1 k )Ba6(142)
Bvp64
a (12 ) 65
a(12) 64
(12)a64
(12)
(1.0002)(13.8363)
0.46651 13.3726
1 k 0.994712v(13.086) 0.927 13.3726
k 0.073
20. Answer E aB (63, 0) 1 (1 j)cvp63 (1 j)2 c2v2 2 p63(aB (65, 2))
1
(1.04)(1.03)(1.06)1
95, 95,
082.5 534.4
(1.04)2
(1.03)2
(1.06)2
94, 95,
579.7 534.4
(26.708)
29.0
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