Least Expected Cost Class
PDT PDI PDO PDF Probability
PDT 0.1(0) + 0.25(122) + 0.35(135) +0.4(160) = 141.75
PDI 0.1(126) + 0.25(0) + 0.35(153) +0.4(178) = 137.5
PDO 0.1(142) + 0.25(156) + 0.35(0) +0.4(194) = 130.8
PDF 0.1(173) + 0.25(187) + 0.35(200) +0.4(0) = 134.05