Reference no: EM132250454
1. At BCD car wash, when a customer arrives, he or she first checks in with a receptionist and then leaves the car to one of several car washers. While the customer is waiting for the car to be washed, he or she proceeds to pay at the cash register. After the payment, the customer returns to his/her car when it is done and then leaves. On average, reception takes 3 minutes. Car wash takes 5 minutes. Paying at the cash register takes 4 minutes. Returning to car and leaving requires 2 minutes. Currently, the car wash employs 1 receptionist, 2 cash registers and 3 car washers. What is the capacity of the receptionist (in cars/hour)?
2. At CDE dental office, on average, 30 patients arrive every hour and are processed at the same rate. Patients wait in line for registration. On average, it takes 5 minutes for registration, not including waiting time. A dentist’s assistant sees a patient after registration and assigns the patient to one of the two tracks, one for routine cleanings and another for major treatments. On average, the dentist's assistant spends 20 minutes with each patient. On average, 2/3 (or 66.67%) of the patients are classified by the dentist’s assistant as needing routine cleanings. Patients for routine cleaning are seen by a hygienist who cleans their teeth and releases them. On average, this takes 30 minutes. Patients for major treatment are seen by a dentist for further treatment. On average, this takes 1 hour. It is observed that there are, on average, 5 people waiting to be registered, 10 waiting to be seen by the dentist’s assistant, 15 waiting to be seen by a hygienist in the routine cleaning area, and 15 waiting to be seen by a dentist in the major treatment area. What is the theoretical flow time (in minutes) of a patient for major treatment?
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: At BCD car wash, when a customer arrives, he or she first checks in with a receptionist and then leaves the car to one of several car washers.
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