The Arrival of Customers at a Service Desk Follows a Poisson

question 51

Multiple Choice

The arrival of customers at a service desk follows a Poisson distribution. If they arrive at the rate of four every five minutes, what is the probability that more than four customers arrive in a five minute period?

• A) 0.7311
• B) 0.3711
• C) 0.5
• D) 0.16

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Definitions:

Abstract Principles

Fundamental ideas or concepts that are not tied to specific instances or physical objects.

Temperament Dimensions

Underlying personality traits that determine an individual's behavioral style and emotional responses from a young age.

Low Activity Level

A trait or condition characterized by a lower than average rate of physical movement or actions.

Phlegmatic

A temperament characterized by calmness, reliability, and a relaxed disposition, traditionally one of the four temperaments.