Question 1150143
Lower tail test, because looking at size of the failures being below a number.

Testing a proportion.
reject if z<-2.33
p-value <0.01
test statistic is z=(phat-p)/sqrt (.058*.942/1640), where p hat is 64/1640 or 0.0390
this is z= (0.0390-0.058)/0.00577
z=-3.29
Reject Ho
p-value is 0.0005
The results do suggest that fewer applicants are using drugs