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-2
where 5mx = (dx + dx+1 + dx+2 + dx+3 + dx+4) / (Lx + Lx+1 + Lx+2 + Lx+3 + Lx+4)
where 5Mx = (Dx + Dx+1 + Dx+2 + Dx+3 + Dx+4) / (Px + Px+1 + Px+2 + Px+3 + Px+4)