Customers Enter the Waiting Line at a Cafeteria on a First-Come,first-Served

question 114

Multiple Choice

Customers enter the waiting line at a cafeteria on a first-come,first-served basis.The arrival rate follows a Poisson distribution,while service times follow an exponential distribution.If the average number of arrivals is four per minute and the average service rate of a single server is seven per minute,what is the average number of customers waiting in line behind the person being served?

• A)0.76
• B)0.19
• C)1.33
• D)1.67
• E)None of the above

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Definitions:

Stimulus Generalization

The psychological process by which a response is elicited by stimuli similar to the original stimulus to which the response was conditioned.

Classical Conditioning

A conditioning method in which repeated pairings of two stimuli lead to a response that, though originally elicited by the second stimulus, is eventually elicited by the first stimulus alone.

Little Albert

An early experiment in psychology by John B. Watson and Rosalie Rayner that demonstrated how emotional responses, such as fear, could be conditioned in humans.

John Watson

An American psychologist who established the school of behaviorism and conducted research on animal behavior and child development.