A Small Diner Has One Employee and a Counter with Seating

question 36

Multiple Choice

A small diner has one employee and a counter with seating for 8 customers.The diner does not package food for takeout.Customers arrive at the diner at the rate of 20 per hour (Poisson distributed) .Service times are exponentially distributed and average 24 per hour.Customers that arrive when all seats are taken do not enter the diner.What is the average number of customers waiting (average queue length) ?

• A)2.0432
• B)2.8364
• C)3.9785
• D)5.9782

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Definitions:

Sequential Processing

Processing one aspect of a stimulus or problem at a time; generally used to process new information or to solve difficult problems.

Effortful Processing

A type of memory processing that requires attention and conscious effort in order to encode information.

Automatic Processing

Cognitive processing that occurs subconsciously and requires little to no attention or conscious effort.

Explicit Memory

Memory that requires intentional retrieval of past information and experiences.