An essay to ascertain the value of leases and annuities for years and lives . or one in 560 of jo Years Age, [ 259 ] Age, lives to the Age of lOO. Now, I believe,if we were to fearch all the Regilters in theKingdom, we ihall hardly find one where thcfePropofitions are exceeded, or even the little Country Parifii, fo often beforefpoke ofy the Gentleman, who has known theInhabitants for many Years, and has examinedthe Regifter there; tells us, that of 125 buriedin 20 Years laft pad. Children included, but 3have arrived at 70 Years, and 2 at 80 • fromwhence, if there be no Miftake in


An essay to ascertain the value of leases and annuities for years and lives . or one in 560 of jo Years Age, [ 259 ] Age, lives to the Age of lOO. Now, I believe,if we were to fearch all the Regilters in theKingdom, we ihall hardly find one where thcfePropofitions are exceeded, or even the little Country Parifii, fo often beforefpoke ofy the Gentleman, who has known theInhabitants for many Years, and has examinedthe Regifter there; tells us, that of 125 buriedin 20 Years laft pad. Children included, but 3have arrived at 70 Years, and 2 at 80 • fromwhence, if there be no Miftake in the Numbers,he concludes very righdy, that in that Place andin that Period of 20 Years, one only in 41, ar-rived to 70 and upwards; and one only in 62,to 80 and upwards; which very great Differencefrom the Chance of Vitality for London^ evidentlyfhows the Longevity of People in that City, atleaft beyond the Inhabitants of this GentlemansPaHlh; and I am very inclinable to think,beyond thofe of moft other Places of thisKingdom. E?id of the SecQfid B o o;k. Ri 300K: [ 26o ]. BOOK III. ^Jn ESSAY to Eftimate the Chance ofthe T>uration of two or more gwen Lhes^and to afcertain the Value of Annuitiesand Leafes for fuch Lives^ &c. ^E are come now to the laft and moftdifficult Task, to afcertain the Va-lue of Leafes and Eftates for two ormore Lives; and as this is the moftdifficult Part of the Work, fo it has|)een the moft weakly performed by the feveralAuthors, who have treated this Subjed; andMr. Richardss Performance is no better thanany of the reft, notwithftanding he uffiers it intothe World with great Pomp and Solemnity; andtells us in his Preface, that his Tables, fuch ofthem as are new, are built on the Foundationlaid by Dr. Halley, and formed by the Methodprefcribed by Mr. Moivre\ and in his Bookgives us to underftand, that his Tables, in parti-cular for the Value of Annuities, for two and forthree Lives, meaning furviving Lives, are framedby a Rule fet out by Mr. Moivre,


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Keywords: ., bookcentury1700, bookdecade1730, bookpublisherlondon, bookyear173