SSC CGL Tier II (JSO) 4 March 2023 Paper

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Question : 56 of 100

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If a random variable X following Poisson distribution has expectation λ, then which of the following statements is true?

$P(X = λ ) = \;{λ\;}/{λ\;\;+\;1}P(X = λ + 1)$
$P(X = λ ) = \;{λ\;\;+\;1}/{λ\;}P(X = λ + 1)$
$P(X = λ ) = \;{λ\;}/{(λ\;\;+\;1)e}P(X = λ + 1)$
$P(X = λ ) = \;{λ\;e}/{λ\;\;+\;1}P(X = λ + 1)$

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