The emergency service unit in a hospital has a goal of 3.5 minutes for the waiting...
The emergency service unit in a hospital has a goal of 3.5 minutes for the waiting time of patients before being treated. A random sample of 20 patients is chosen and the sample average waiting time is found to be 2.3 minutes with a sample standard deviation of 0.5 minutes. Find an appropriate process capability index. Comment on the ability of the emergency service unit to meet the desirable goal, assuming normality. What are some possible actions to consider?
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The emergency service unit in a hospital has a goal of 3.5
minutes for the waiting...
5. A hospital is studying the amount of time that patients spend waiting in the emergency...
5. A hospital is studying the amount of time that patients spend waiting in the emergency room before they are called back to see a doctor. A committee conducts a random survey of 65 emer- gency room patients. The sample mean is 1.6 hours with a sample standard deviation of 0.45 hours. (a) Use your calculator to find a 90% confidence interval for the population mean time spent waiting. Briefly explain what keys you used. (b) What is the error...
5. A hospital is studying the amount of time that patients spend waiting in the emergency...
5. A hospital is studying the amount of time that patients spend waiting in the emergency room before they are called back to see a doctor. A committee conducts a random survey of 65 emer- gency room patients. The sample mean is 1.6 hours with a sample standard deviation of 0.45 hours. (a) Use your calculator to find a 90% confidence interval for the population mean time spent waiting. Briefly explain what keys you used. (b) What is the error...
ER Diversion (Q8 – Q12) The local hospital’s emergency department has 6 trauma bays. On average,...
ER Diversion (Q8 – Q12) The local hospital’s emergency department has 6 trauma bays. On average, patients requiring a trauma bay arrive every 30 minutes (with a coefficient of variation of 1). If the hospital has an available trauma bay, it is immediately allocated to a needy patient. If there are no trauma bays available, the patient is sent to another hospital. On average, a patient’s length of stay in a trauma bay is 1.5 hours (with a standard deviation...
6) The YourMoney Bank claims that the mean waiting time of customers for service at the...
6) The YourMoney Bank claims that the mean waiting time of customers for service at the drive through window is 3 minutes. a) State the Hypothesis to show the mean waiting time for service different than 3 minutes. b) Choose a level of a. Use a= 0.05 for this problem. c) To test the hypothesis, the quality-assurance department took a sample of 50 customers and records their waiting time in minutes. The data appear in the YourMoney worksheet of the...
3.48. At Samantha's Super Store, the customer service area processes customer returns, answers customer questions a...
3.48. At Samantha's Super Store, the customer service area processes customer returns, answers customer questions and provides inform- ation, addresses customer complaints, and sells gift certificates. The manager believes that if customers must wait longer than 8 minutes to see a customer service representative they get very irritated. The cus- tomer service process has been designed to achieve a customer wait time of between 6 and 12 minutes. The store manager has conducted 10 samples of five observations each of...
Elm Street Medical Hospital has the largest emergency room in the city. Because approximately 85% of...
Elm Street Medical Hospital has the largest emergency room in the city. Because approximately 85% of the emergency room visits in the city are handled by Elm Street Medical Hospital, the emergency room is often crowded and the staff work longer hours than advised. The hospital administrators and city officials are concerned about patient care and want to assess the level of service the emergency room is capable of providing its patients. Wait time, the time between when a patient...
this is from the Middletown General Hospital Emergency Department Observation Unit Analysis Exercise...
this is from the Middletown General Hospital Emergency
Department Observation Unit Analysis Exercise
Middletown General Hospital ER Observation Unit 1. Questions: What was the average census of observation patients in the hospital? b. Using the 2011 patient flows, how large should the ED observation unit be to achieve a а. target utilization of 80% What was the profit flow in $/day from patients who entered the hospital (on either observation or admitted status) through the ED? d. Assume that an...
Multiple Server Waiting Line Model Regional Airlines Assumptions Poisson Arrivals Exponential Service Times Number of Servers...
Multiple Server Waiting Line Model Regional Airlines Assumptions Poisson Arrivals Exponential Service Times Number of Servers Arrival Rate Service Rate For Each Server Operating Characteristics 4 Probability that no customer are in the system, Po 5 Average number of customer in the waiting line, L 6 Average number of customer in the system, L 7 Average time a customer spends in the waiting line, W 18 Average time a customer spends in the system, W 19 Probability an arriving customer...
Pulmonary Embolism Emergency Situations Scenario S.K., a 51-year-old roofer, was admitted to the hospital 3 days...
Pulmonary Embolism Emergency Situations Scenario S.K., a 51-year-old roofer, was admitted to the hospital 3 days ago after falling 15 feet from a roof. He sustained bilateral fractured wrists and an open fracture of the left tibia and fibula. He was taken to surgery for open reduction and internal fixation (ORIF) of all of his fractures. He is recovering in your orthopedic unit. You have instructions to begin getting him out of bed and into the chair today. When you...
Question: The whole process before administering blood can be broken down into the following nine activities:...
Question: The whole process before administering blood can be broken down into the following nine activities: A. Register B. Consult and take tests C. Sample blood D. Deliver blood sample to lab E. Deliver blood to bank (CBS) F. Deliver test blood to lab (CBS) G. Cross-match H. Retrieve blood from bank I. Deliver blood to the clinic (Note: Administering blood is a pure medical activity. This activity will be excluded since your the analysis will not help to reduce...
5. A hospital is studying the amount of time that patients spend waiting in the emergency room before they are called back to see a doctor. A committee conducts a random survey of 65 emer- gency room patients. The sample mean is 1.6 hours with a sample standard deviation of 0.45 hours. (a) Use your calculator to find a 90% confidence interval for the population mean time spent waiting. Briefly explain what keys you used. (b) What is the error...
5. A hospital is studying the amount of time that patients spend waiting in the emergency room before they are called back to see a doctor. A committee conducts a random survey of 65 emer- gency room patients. The sample mean is 1.6 hours with a sample standard deviation of 0.45 hours. (a) Use your calculator to find a 90% confidence interval for the population mean time spent waiting. Briefly explain what keys you used. (b) What is the error...
3.48. At Samantha's Super Store, the customer service area processes customer returns, answers customer questions and provides inform- ation, addresses customer complaints, and sells gift certificates. The manager believes that if customers must wait longer than 8 minutes to see a customer service representative they get very irritated. The cus- tomer service process has been designed to achieve a customer wait time of between 6 and 12 minutes. The store manager has conducted 10 samples of five observations each of...
Elm Street Medical Hospital has the largest emergency room in the city. Because approximately 85% of the emergency room visits in the city are handled by Elm Street Medical Hospital, the emergency room is often crowded and the staff work longer hours than advised. The hospital administrators and city officials are concerned about patient care and want to assess the level of service the emergency room is capable of providing its patients. Wait time, the time between when a patient...
this is from the Middletown General Hospital Emergency
Department Observation Unit Analysis Exercise
Middletown General Hospital ER Observation Unit 1. Questions: What was the average census of observation patients in the hospital? b. Using the 2011 patient flows, how large should the ED observation unit be to achieve a а. target utilization of 80% What was the profit flow in $/day from patients who entered the hospital (on either observation or admitted status) through the ED? d. Assume that an...
Multiple Server Waiting Line Model Regional Airlines Assumptions Poisson Arrivals Exponential Service Times Number of Servers Arrival Rate Service Rate For Each Server Operating Characteristics 4 Probability that no customer are in the system, Po 5 Average number of customer in the waiting line, L 6 Average number of customer in the system, L 7 Average time a customer spends in the waiting line, W 18 Average time a customer spends in the system, W 19 Probability an arriving customer...
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