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In a large group of brain cancer patients, an average of 20 per 1000 prefer the...

In a large group of brain cancer patients, an average of 20 per 1000 prefer the use of medicinal marijuana over other meds. What is the probability of finding 4 patients @HUMC Oncology department on April 20th who prefer the use of marijuana? Use the Poisson distribution to represent this model. Create a PDT for this scenario
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Answer #1

Let X be random variable here. And given that average of x is 20 . E(X) = = 20

Then X follows Poisson () here and

X= 0,1,3,.....

We want here P(X= 4 )

So , = 0.0000137

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