If X has a Poisson distribution such tha - CUETMOCK

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Home Questions W4SBDPH649

Target Exam

CUET

Subject

-- Mathematics - Section B2

Chapter

Probability Distributions

Question:

If X has a Poisson distribution such that $P(X=1)=4P(X=2),$ then $P(X=0)$ is :

Options:

$e^{-\frac{1}{2}}$

$e^{-1}$

$e^{-2}$

$e^{\frac{1}{2}}$

Correct Answer:

$e^{-\frac{1}{2}}$

CUET Questions