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If a random variable X has a Poisson dis...

If a random variable X has a Poisson distribution with parameter `1//2`, then P(X=2)=

A

`(1)/(8sqrte)`

B

`(1)/(4sqrte)`

C

`(1)/(2sqrte)`

D

`(1)/(sqrt8)`

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The correct Answer is:
A
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