for disease 2. for disease 1 and k₂ patients for disease ve was treated for disease 1? On average, w Poisson process with rate A. The probability obability for disease 2 is 1- p. Patients sta average number of patients who have been of patients who have been fully treated in

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Problem 1
In a hospital, patients get treated for two different diseases, labelled 1 and 2. Each patient is
independently treated such that the time to get fully treated and leave the hospital is exponential
with parameter r₁ for disease 1 and r2 for disease 2.
a. When k₁ patients start treatment for disease 1 and k2 patients for disease 2, what is the
probability that the first patient to leave was treated for disease 1? On average, what is the first
time a patient leaves?
b. Patients arrive to the hospital as a Poisson process with rate A. The probability that a patient
comes with disease 1 is p, while the probability for disease 2 is 1-p. Patients start treatment as
they arrive. By time t > 0, what is the average number of patients who have been fully treated for
disease 1? What is the average number of patients who have been fully treated in total?
Transcribed Image Text:Problem 1 In a hospital, patients get treated for two different diseases, labelled 1 and 2. Each patient is independently treated such that the time to get fully treated and leave the hospital is exponential with parameter r₁ for disease 1 and r2 for disease 2. a. When k₁ patients start treatment for disease 1 and k2 patients for disease 2, what is the probability that the first patient to leave was treated for disease 1? On average, what is the first time a patient leaves? b. Patients arrive to the hospital as a Poisson process with rate A. The probability that a patient comes with disease 1 is p, while the probability for disease 2 is 1-p. Patients start treatment as they arrive. By time t > 0, what is the average number of patients who have been fully treated for disease 1? What is the average number of patients who have been fully treated in total?
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