Aisha has a medical practice that serves patients by appointments only. There is enough demand for care from Aisha that all appointments slots are booked. Appointment slots are a half hour long (e.g. an appointment is scheduled from 10-10:30am). On average Aisha spends 25 minutes with each patient, but this time varies across patients with a standard deviation of 3 minutes. On average, how long to patients wait to see Aisha?
a. 0 minutes, because there is no variability in the arrival process
b. 4.2 seconds
c. 54 seconds
d. 1.08 minutes
e. Over an hour
2. The goal of providing negative feedback to an employer is:
A. Improve future performance
B. Punish the employee
C. Embarrass the employee
D. Chastise the employee