Actuarial Study No. 116

by : Felicitie C. Bell and Michael L. Miller

= ((m_x)(P_x) + (m_x+1)(P_x+1) + (m_x+2)(P_x+2) + (m_x+3)(P_x+3) + (m_x+4)(P_x+4)) / (P_x + P_x+1 + P_x+2 + P_x+3 + P_x+4)