An Alarm Company Reports That the Number of Alarms Sent

question 65

Multiple Choice

An alarm company reports that the number of alarms sent to their monitoring center from customers owning their system follow a Poisson distribution with λ = 4.7 alarms per year. Identify the mean and standard deviation for this distribution.

• A) mean = 4.7, standard Deviation = 4.7
• B) mean = 4.7, standard Deviation = 2.17
• C) mean = 2.17, standard Deviation = 4.7
• D) mean = 2.17, standard Deviation = 2.17

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