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X is a Poisson variate and 2P(X=1)=P(X=2...

X is a Poisson variate and 2P(X=1)=P(X=2). Then `P(X=2)=`

A

1

B

`2//e^(2)`

C

`1//e`

D

`8//e^(4)`

Text Solution

Verified by Experts

The correct Answer is:
D
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