A.>0.5 B.=0.5 C.(0.4,0.5) D.<0.4
A.[t(i-1),t(i)] B.[t(i-1),t(i)) C.(t (i-1),t(i)] D.(t(i-1),t(i))
A.0.9 B.0.648 C.2.6 D.0.8