Question 1161928
use a normal approximation
np=mean or 150*0.43=64.5
np(1-p)=variance or 64.5*0.57=36.765
sd is sqrt (V)=6.06
look for z <70 with the above. Continuity correction factor means start with 69.5
z< (69.5-64.5)/6.06=0.825
that probability of z<0.825 is 0.7953.