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

question 110

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 in the system?

• A)0.43
• B)1.67
• C)0.57
• D)1.33
• E)None of the above

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Definitions:

Indifference Curve

An indifference curve represents a set of combinations of goods and services among which a consumer is indifferent, reflecting preferences and trade-offs.

Budget Line

A graphical representation of all possible combinations of two goods that a consumer can afford given their income and the prices of the goods.

Money Income

The total earnings received by an individual or household in the form of wages, salaries, benefits, and other monetary sources before any deductions.