当p=04 Ch2-16 k01 2 Pk0.604060420.60430.604 x01234 x<0 F(x)06 0≤x<1 Ps=06+06×04 1<x<2 06+06×0.4+06×0.422≤x<3 0.6(1+04+042+0.43),3≤x<4 x≥4Ch2-16 • 0 • 1 • 2 • 3 • 4 x x ] ] 0.6 + 0.60.4, 1 x  2 0.6, 0  x 1 0, x  0 0.6 0.6 0.4 0.6 0.4 , 2 +  +  2  x  3 0.6(1 0.4 0.4 0.4 ), 2 3 + + + 3  x  4 1 x  4 F(x) ]• • ] k pk 0 1 2 3 4 0.6 0.4 0.6 0.42 0.6 0.43 0.6 0.44 当 p = 0.4 P(X  x) =