Question 1079141
Ho:no difference between teacher's rate and the historical rate
Ha: there is a difference
alpha=0.01
test statistic is one sample proportion z=(phat-p)/sqrt (p*(1-p))/n
critical value |z|>2.576
z=(0.117)/0.0290
=4.03
highly significant difference, so reject Ho.
p-value <0.0001