Patients Scheduled to See Their Primary Care Physician at a Particular

Multiple Choice

Patients scheduled to see their primary care physician at a particular hospital wait, on average, an additional eight minutes after their appointment is scheduled to start. Assume the time that patients wait is exponentially distributed. What is the probability a randomly selected patient will have to wait more than 10 minutes?

A) 0.2865
B) 0.4493
C) 0.5507
D) 0.7135