Find the mean of the Poisson random variable.
-In one town, the number of burglaries in a week has a Poisson distribution with parameter $\lambda = 1.8$. Let $X$ denote the number of burglaries in the town in a randomly selected week. Find the mean of X.
A)$1.342$
B) $0.9$
C) $1.8$
D) $3.24$

Question

Find the mean of the Poisson random variable.
-In one town, the number of burglaries in a week has a Poisson distribution with parameter $\lambda = 1.8$. Let $X$ denote the number of burglaries in the town in a randomly selected week. Find the mean of X.  
A)$1.342$
B) $0.9$
C) $1.8$
D) $3.24$

Quizplus · Accepted Answer

The mean of a Poisson random variable is equal to its parameter $\lambda$, which in this case is 1.8.

Find the Mean of the Poisson Random Variable λ=1.8\lambda = 1.8λ=1.8

Find the Mean of the Poisson Random Variable $\lambda = 1.8$