Question 32 Dr. Ho has asked his nurse to call each patient a week before their bill is due. As a result of time constraints, however, only 60% of patients receive such a call from his nurse. Of the patients called. 90% pay on time, while only 30% of those not called pay on time. Dr. Ho has just received a payment on time from a patient. What is the probability that the nurse did not call this patient? t\" a. 0.73 b.0.54 c. 0.27 d.0.18 e. None of the above "3")\":'3