... (14 , 66) − = Φ 0,99 41 + − = 0,99 41 a n =10 0, S x = 5, 76 , X = 16 4,35 α =1 − γ =1 − 0,95 =0, 05 t(0,05;99) = 1, 96 X −t Sx S 1, 96.5, 76 1, 96.5, 76 ≤ µ ≤ X + t x ⇒ 16 4,35 − ≤ µ ≤ 16 4,35 + 10 0 10 0 ... b nqc = 19 , Yqc = 73 ,16 , S qc = 2, 48 α =1 − γ =1 − 0,99 =0, 01 t(0, 01; 18) = 2,878 Yqc − t S qc nqc ≤ µ ≤ Yqc + t S qc nqc ⇒ 73 ,16 − 2,878.2, 48 2,878.2, 48 ≤ µ ≤ 73 ,16 + 19 19 Vậy 71, 52kg ≤ ... = 1] = 0, 0, 46 p[ Z = − (0 ,12 + 0, 46) = 2] = 0, 42 Z p 0 ,12 0,46 0,42 p[ Z > 1] = p[ Z = 2] = 0, 42 M ( Z ) = 0.0 ,12 + 1. 0, 46 + 2.0, 42 = 1, 3 M ( Z ) = 02.0 ,12 + 12 .0, 46 + 22.0, 42 = 2 ,14 ...