(1) x甲 = 1 3 (85+89+72)÷3=82; x乙 = 1 3 (92+60+94)÷3=82; x丙 = 1 3 (73+90+89)÷3=84;因为 x甲 = x乙 < x丙 ,所以丙被录用;(2)根据题意得: x甲 = 85×5+89×3+72×2 10 =83.6; x乙 = 92×5+60×3+94×2 10 =82.8; x丙 = 73×5+90×3+89×2 10 =81.3此时甲将被录用.