N(20,4) with p = 0.7 - N(10,2) with (1-p)=0.3
N(50,1)
N(10+age,2) with p=0.7 - N(5 + age,1) with (1-p)=0.3
N(6,5) if y >0 & 0 if y<= 0
N(-48+age,2) if y >0 & 0 if y<= 0
0 with p=0.3 & [N(6,5) if y >0 & 0 if y<= 0] with (1-p)=0.7
0 with p=0.3 & [N(-48+age,2) if y >0 & 0 if y<= 0] with (1-p)=0.7
N(30,6) if y >0 & 0 if y<= 0
0 with p1=0.2, ytobit with p2=0.5 & ytobit1 wth p3=0.3
N(-35+age,4) if y >0 & 0 if y<= 0
0 with p1=0.2, ytobitc with p2=0.5 & ytobitc1 wth p3=0.3
N(10,5) if y >0 & 0 if y<= 0
N(35,6) if y >0 & 0 if y<= 0
0 with p1=0.2, N(10,5) with p2=0.5 & N(35,6) wth p3=0.3