Variance of Poisson random variable
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The number of false alarms a building fire alarm system registers has a Poisson distribution with a mean of 6 false alarms per year. The variance of the number of false alarms is what?
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For a Poisson distribution mean = Variance
Thus Variance= Mean = 6
Please see attached file.
Poisson ...
Solution Summary
The solution gives calculation of variance of Poisson random variable. The number of false alarms variance is examined.
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