Question 1168147
78/404=0.193
Ho: rate is <=0.035
Ha: rate is > 0.035
alpha =0.05 P{reject Ho|Ho true}
test is a z=(p hat-p)/sqrt(p**1-p/n)
=0.158/sqrt(0.035*0.965/404)
=0.158/0.009
z=17.2  highly significant and the data do provide such evidence.
P<<0.0001 (essentially 0)