In analyzing patient admissions at a​ hospital, it is found that 31,906 patients were admitted in a recent year. Let the random variable x represent the number of patient admissions in one​ day, and assume that it has a Poisson distribution. What is the standard deviation for the values of the random variable​ x? What is the​ variance?

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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In analyzing patient admissions at a​ hospital, it is found that 31,906 patients were admitted in a recent year. Let the random variable x represent the number of patient admissions in one​ day, and assume that it has a Poisson distribution. What is the standard deviation for the values of the random variable​ x? What is the​ variance?  

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