Question 1162678
E(X)=0.61
SE is sqrt (0.61*0.39)/120=0.0445

z=(0.60-0.61)/0.0445 and (0.70-0.61)/0.0445 and that is z between -0.22 and 2.02 or probability of 0.5654

less than 0.60 is z <-0.22 or probability of 0.4129