The pharmacist at Arnold Palmer? Hospital, Wende? Huehn-Brown, receives 1818 requests for prescriptions each? hour, Poisson distributed. It takes her a mean time of 22 minutes to fill? each, following a negative exponential distribution. a) the average number of prescriptions in the queue ? b) using the given relationship, the average time a prescription spends in the queue? c) Wende decides to hire a second? pharmacist, Ajay? Aggerwal, whom she went to school with and who operates at the same speed in filling prescriptions. Using the? table, the average number of prescriptions in the queue.