The Number X of People Entering the Intensive Care Unit

question 21

Essay

The number x of people entering the intensive care unit at a particular hospital on any one day has a Poisson probability distribution with mean equal to four persons per day.
What is the probability that the number of people entering the intensive care unit on a particular day is two?
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What is the probability that the number of people entering the intensive care unit on a particular day is Less than or equal to two?
______________
Is it likely that x will exceed ten?
______________
Explain.
________________________________________________________

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