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Free Version
Moderate

Obtaining Mean of Poisson Random Variable

STATS-1NINFG

Suppose $X$ is a Poisson random variable with $P(X=0)=.1353353$. Which of the following is the mean of $X$?

A

$1$

B

$2$

C

$3$

D

$4$

E

None of these/ cannot be determined