In Exercises 1-4, refer to the sample data in Table 4-1. Assume that 1 of the 555 subjects included in Table 4-1 is randomly selected.

TABLE 4-1 Results from Drug Tests of Job Applicants Positive Test Result Negative Test Result (Test shows drug use.) 7 (Test shows no drug use.) Subject Uses Drugs 45 5 ' (True Positive) (False Negative) Subject Does Not Use Drugs 25 480 (False Positive) (True Negative)