Life Tables for the United States Social Security Area 1900-2100

Actuarial Study No. 116

by : Felicitie C. Bell and Michael L. Miller
Long description for Formula-4


death rate using actual population = ((mx)(Px) + (mx+1)(Px+1) + (mx+2)(Px+2) + (mx+3)(Px+3) + (mx+4)(Px+4)) / (Px + Px+1 + Px+2 + Px+3 + Px+4)