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Very easy question ,but if you do not know the exact solution please do not answer...

Very easy question ,but if you do not know the exact solution please do not answer it!

Assume that X has a Poisson distribution with mean of 4.6. Calculate the followings :

1)P(X< -2) (x smaller than Negative two)

2) P(X > 2) (x bigger than Positive two)

3) Standard deviation of X

4) Mean of X

Math   Statistics-And-Probability   
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