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The number of patients get tested at a COVID-19 drive through test site follows a Poisson process with parameter ? = 4 per minute. Suppose
The number of patients get tested at a COVID-19 drive through test site follows a Poisson process with parameter ? = 4 per minute. Suppose the probability that a patient is tested positive for COVID is p = 0.9. a) Find the probability that no patients get tested in 30 seconds. (2 marks) b) Find the distribution of the number of patients that are tested positive in ` minutes. (5 marks) c) Find the probability that the first patient is tested positive shows up at least 1 minute after the test center opens. (3 marks)
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