Pembahasan Ujian PAI: A60 – No. 14 – November 2018

\({}_{0,8}{q_{20,3}} = 0,8[1 – {p_{20,3}}]\)

\({}_{0,8}{q_{20,3}} = 0,8\left[ {1 – \frac{{{l_{21,3}}}}{{{l_{20,3}}}}} \right]\)

\({}_{0,8}{q_{20,3}} = 0,8\left[ {1 – \frac{{{l_{22}}0,3 + {l_{21}}(1 – 0,3)}}{{{l_{21}}0,3 + {l_{20}}(1 – 0,3)}}} \right]\)

\({}_{0,8}{q_{20,3}} = 0,8\left[ {1 – \frac{{71(0,3) + 76(0,7)}}{{76(0,3) + 80(0,7)}}} \right]\)

\({}_{0,8}{q_{20,3}} = 0,8\left[ {1 – 0,9454314721} \right]\)
\({}_{0,8}{q_{20,3}} = 0,04365482234\,\)
\({}_{0,8}{q_{20,3}} \cong 0,04\)