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In a Poisson distribution if standard deviation is 2 then P ( X = 1) is ___________. a) 1 – e-2 b) 1 + e c) 1 – e2 d) 1 – e-1

In a Poisson distribution if standard deviation is 2 then P ( X = 1) is ___________.
a) 1 – e-2
b) 1 + e c) 1 – e2
d) 1 – e-1

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2 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
2 years ago
Dear student

The poisson formula isP(x; μ) = (e^-μ) (μ^x) / x!

regards
Vikas TU
14149 Points
2 years ago
Since Poisson distribution is a discrete distribution, therefore it takes discrete values 0, 1, 2, … .. .. Therefore, 1.5

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