Find the Standard Deviation of the Poisson Random Variable $\lambda = 4.800$

question 56

Multiple Choice

Find the standard deviation of the Poisson random variable. Round to three decimal places.
-In one town, the number of burglaries in a week has a Poisson distribution with parameter $\lambda = 4.800$ . Let $\mathrm { X }$ denote the number of burglaries in the town in a randomly selected week. Find the standard deviation of X.

• A)\(23.040\)
• B) \(2.191\)
• C) \(4.800\)
• D) \(2.400\)