192 



ESSAY ON PROBABILITIES. 



Values of an Annuity o 

 made a decimal) o 



y or (with the last figure 

 upon a single Life. 



According to this first table it appears,, for instance, 

 that at the Northampton rate of mortality, the value 

 of an annuity upon a life aged 45, at 3 per cent., is 

 13*7 years' purchase, or 131. 14s. Od. for an annuity of I/., 

 1371. for an annuity of Wl., and 13701. for one of 100/. 

 per annum. Or rather, since the table is correct within 

 one twentieth of a year's purchase, we should say that 

 the value of. such an annuity is between 13*65 and 

 13*75 years' purchase. The same remarks apply to 

 the table of annuities on joint lives. 



