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

Question

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

Saurabh Koranglekar · Answer

Dear student The poisson formula isP(x; &mu;) = (e^-&mu;) (&mu;^x) / x! regards

Vikas TU · Answer

Since Poisson distribution is a discrete distribution, therefore it takes discrete values 0, 1, 2, … .. .. Therefore, 1.5

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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

2 Answers

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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

2 Answers

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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