Question

1. Dr. Cynthia Knott's dentistry practice has been cleaning customer's teeth for decades. The process for a basic dental cleaning is relatively straightforward: (1) the customer checks in (4 minutes); (2) a lab technician takes and develops four X-rays (4 and 6 minutes, respectively); (3) the dentist processes and examines the X-rays (10 minutes) while the hygienist cleans the teeth (16 minutes); (4) the dentist meets with the patient to poke at a few teeth, explain the X-ray results, and tell the patient to floss often (10 minutes); and (5) the customer pays and books her next appointment (6 minutes). An average of three patients are entering Dr. Knott's dentistry every hour. (a) Compute the input rate as the number of patients entering Dr. Knott's dentistry per minute. (Hint: Use 3 patients/60 minutes = x patients/1 minute.) Round your answer to two decimal places. (b) Fill out the following table to compute the capacity and the utilization of each step. Round your answers to two decimal places. | Check-in | Takes X-ray | Develops X-ray | Cleaning | X-ray exam | Dentist | Check-out | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Capacity | | | | | | | | | Utilization (%) | | | | | | | | (c) Which step is the bottleneck station?

          1. Dr. Cynthia Knott's dentistry practice has been cleaning customer's teeth for decades. The process for a basic dental cleaning is relatively straightforward: (1) the customer checks in (4 minutes); (2) a lab technician takes and develops four X-rays (4 and 6 minutes, respectively); (3) the dentist processes and examines the X-rays (10 minutes) while the hygienist cleans the teeth (16 minutes); (4) the dentist meets with the patient to poke at a few teeth, explain the X-ray results, and tell the patient to floss often (10 minutes); and (5) the customer pays and books her next appointment (6 minutes). An average of three patients are entering Dr. Knott's dentistry every hour. (a) Compute the input rate as the number of patients entering Dr. Knott's dentistry per minute. (Hint: Use 3 patients/60 minutes = x patients/1 minute.) Round your answer to two decimal places. (b) Fill out the following table to compute the capacity and the utilization of each step. Round your answers to two decimal places. | Check-in | Takes X-ray | Develops X-ray | Cleaning | X-ray exam | Dentist | Check-out | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Capacity | | | | | | | | | Utilization (%) | | | | | | | | (c) Which step is the bottleneck station?

1. Dr. Cynthia Knott's dentistry practice has been cleaning customer's teeth for decades. The process for a basic dental cleaning is relatively straightforward: (1) the customer checks in (4 minutes); (2) a lab technician takes and develops four X-rays (4 and 6 minutes, respectively); (3) the dentist processes and examines the X-rays (10 minutes) while the hygienist cleans the teeth (16 minutes); (4) the dentist meets with the patient to poke at a few teeth, explain the X-ray results, and tell the patient to floss often (10 minutes); and (5) the customer pays and books her next appointment (6 minutes). An average of three patients are entering Dr. Knott's dentistry every hour. (a) Compute the input rate as the number of patients entering Dr. Knott's dentistry per minute. (Hint: Use 3 patients/60 minutes = x patients/1 minute.) Round your answer to two decimal places. (b) Fill out the following table to compute the capacity and the utilization of each step. Round your answers to two decimal places. | Check-in | Takes X-ray | Develops X-ray | Cleaning | X-ray exam | Dentist | Check-out | | :— | :— | :— | :— | :— | :— | :— | | Capacity | | | | | | | | | Utilization (%) | | | | | | | | (c) Which step is the bottleneck station?

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