An essay to ascertain the value of leases and annuities for years and lives, and to estimate the chances of the duration of lives. Wherein are many observations on bills of mortality, etc / [Anon].

  • Weyman Lee
Date:
1737
Catalogue details

Licence: Public Domain Mark

Credit: An essay to ascertain the value of leases and annuities for years and lives, and to estimate the chances of the duration of lives. Wherein are many observations on bills of mortality, etc / [Anon]. Source: Wellcome Collection.

    22/508
    are wrong : But not chiefly for this Reafon Pag. 2^7. Jj thofe fly(i tables were right, yet thefe here are wrong; for that the Rule, by which they were conflruEled r is wrong ' 2d8; An Inflame of an Error in thefe Tables, and fhown that it arifesfrom a Defeci in the Rule 2<58. A fecond Inftance to the fame Purpofe 270*. A Cafe fluted by the Author, which /hows thefe Tables to be falfe throughout 273. In this Cafe, an obvious Error in the Rule obferved From this Cafe, a little varied, fhown to what fort of Annuities on lives the Value given in the Tables may fometimes be equal 278 Mr. Moivre s Rule for valuing thefe Annuities fet out, and confide/d 2g0 Shown to be falfe, as grounded on a wrong Way of Reaflning ' 281. Shown more clearly by an Inflance 2 87. The Rule confider d in another Light • and fhown, in an Inflame, that the Annuitant cannot poffibly have thofe Parts of the Value of the Annuity which the Rule allots to him 2p2 The Rule put into another Form; and the fame Thing fhown from thence *%he Rule, if applied to adjufl the Term to which two Lives are equal, may give the true Term ; though, when tis applied to adjufl the Value, it does not give the true Value 30%. The Reafon of this Difference fhown 307. That the Rule carries to the Annuitant*s Account either more or greater Values than belong to him, fhown by an eafy and obvious Argument 508. Dr. Halley s Hypothefis, for adjufling the Chance of J the Duration of two Lives, confider d 3 10, The Dotfor s and Mr. Moivre s Methods, for a]'certain- tng the Value of Annuities for two or for three Lives mid the Survivor, not the fame 31^