Question
Macroeconomics 1 Given that ax = 20, ax:n = 18 and ax+n = 8, find the values of nEx and ax:n . 4.3 (i) Write
Macroeconomics 1
Given that ax = 20, ax:n = 18 and ax+n = 8, find the values of nEx and ax:n .
4.3 (i) Write down an expression for ax in terms of v, px, and ax+1.
(ii) On a certain select mortality table the select period is one year. Express a[x]
in terms of
v, p[x] and ax+1. Given that q[x] = .6qx and that at 4 1
4% p.a. interest a45 = 15.719 and
a46 = 15.509, find the value of a[45] (at the same rate of interest).
4.4 Using the A1967-70 table with 4% p.a. interest find the values of
a[40]:30 , a[39]+1:30 , a40:30 , (Ia)40, 5|a[40]:25 , 5|(Ia)40:25
(i) Find the present value of a deferred annuity of 1000 p.a. to a man aged 40. Payments
commence on his 60th birthday, if he is then alive, and continue thereafter annually for
life.
Basis: A1967-70 ultimate mortality, 4 % p.a. interest.
(ii) As above, but select mortality (at entry.)
(iii) As above, but A1967-70 ultimate mortality to exact age 60 and a(55) males ultimate
mortality above exact age 60.
4.6 According to a certain mortality table, which has a select period of 1 year and is such that
q[x] = 0.6qx for each x,
a70 at 10% interest = 5.641,
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