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1. The time it takes for patients to be released from emergency room in a hospital...
Patients in a hospital are released from emergency room in an average time of 3 hours...
Patients in a hospital are released from emergency room in an average time of 3 hours with standard deviation of 20 min. Assuming normal distribution: (a) What portion of patients are expected to be released in less than an hour? (b) What is the probability that a patient is released from emergency room between 150 to 190 min?
The emergency room at Hospital Systems, Inc (HIS) serves patients who arrive according to a Poisson...
The emergency room at Hospital Systems, Inc (HIS) serves patients who arrive according to a Poisson distribution at the rate of 9 per hour. Treatment takes an average of 6 minutes and the treatment times can be considered to follow an exponential distribution. What is the (a) minimum number of doctors required so that at least 70% of the arriving patients can receive treatment immediately? (b) minimum number of doctors required so that the average time a patient waits for...
Patients arriving at the emergency room of a local hospital follow a Poisson distribution with an...
Patients arriving at the emergency room of a local hospital follow a Poisson distribution with an average arrival rate of 26 per half hour. Find the probability that between 32 and 35 patients (inclusive) will arrive at the emergency room within a half hour. Round your answer to four decimal places, if necessary.
A children's hospital has reported that an average of 6 patients arrive in the emergency room...
A children's hospital has reported that an average of 6 patients arrive in the emergency room each hour. Arrivals at this emergency room are known to follow a Poisson probability distribution. a.) What is the probability that exactly 10 patients will arrive in the emergency room between 1:00 pm and 2:00 pm today? b.) What is the probability that no more than 3 patients will arrive in the emergency room between 6:30 pm and 7:30 pm today? c.) What is...
A children's hospital has reported that an average of 6 patients arrive in the emergency room eac...
A children's hospital has reported that an average of 6 patients arrive in the emergency room each hour. Arrivals at this emergency room are known to follow a Poisson probability distribution. a.) What is the probability that exactly 10 patients will arrive in the emergency room between 1:00 pm and 2:00 pm today? b.) What is the probability that no more than 3 patients will arrive in the emergency room between 6:30 pm and 7:30 pm today? c.) What is...
An ambulance is en route to the hospital. The time it takes to complete one emergency...
An ambulance is en route to the hospital. The time it takes to complete one emergency response call is normally distributed with a mean of 15 minutes and standard deviation of 7 minutes. What is the probability that it will take an ambulance more than 20 minutes to complete one emergency response call?
A hospital emergency room (ER) is currently organized so that all patients register through an initial...
A hospital emergency room (ER) is currently organized so that all patients register through an initial check-in process. At his or her turn, each patient is seen by a doctor and then exits the process, either with a prescription or with admission to the hospital. Currently, 50 people per hour arrive at the ER, 10% of whom are admitted to the hospital. On average, 30 people are waiting to be registered and 40 are registered and waiting to see a...
Suppose that the wait times for patients in an emergency room are normally distributed with an...
Suppose that the wait times for patients in an emergency room are normally distributed with an unknown mean and standard deviation. A random sample of 18 patients is taken and gives a sample mean of 25 minutes and a sample standard deviation of 2 minutes. As found above, the EBM, margin of error, for a 95% confidence interval estimate for the population mean using the Student's t-distribution is 0.99. Find a 95% confidence interval estimate for the population mean using...
1. A nurse must examine 20 patients who arrive simultaneously to a hospital waiting room. On aver...
1. A nurse must examine 20 patients who arrive simultaneously to a hospital waiting room. On average it takes the nurse six minutes to examine a patient, with a standard deviation of two minutes. What is the probability that the last of these 20 patients to be selected must wait for two hours or longer before beginning their examination with the
1. A nurse must examine 20 patients who arrive simultaneously to a hospital waiting room. On average it takes...
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...
1. A nurse must examine 20 patients who arrive simultaneously to a hospital waiting room. On average it takes the nurse six minutes to examine a patient, with a standard deviation of two minutes. What is the probability that the last of these 20 patients to be selected must wait for two hours or longer before beginning their examination with the
1. A nurse must examine 20 patients who arrive simultaneously to a hospital waiting room. On average it takes...
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...
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