Customers Arrive at a Common Queue at the Coffee Station

question 44

Multiple Choice

Customers arrive at a common queue at the coffee station with two identical coffee machines in a busy mall at the rate of 48 per hour, following Poisson distribution. Each customer mixes his or her specialty coffee taking 2 minutes on an average following an exponential process. What is the expected number of customers in the system at this coffee station?

• A) infinity
• B) 2.844
• C) 2.444
• D) 4.444
• E) 3

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Definitions:

Product Issues

Challenges or problems associated with developing, launching, or selling a product, including design flaws, manufacturing defects, or market misalignment.

Curve Fitting

A statistical technique used to find the best way to plot a curve through a set of data points, often for predictive purposes.

Dependent Variables

Variables in an experiment or study whose changes depend on the effects of other variables, typically independent variables.

Data Points

Data points are individual pieces of factual information collected during research or analysis, used to represent quantitative or qualitative attributes of a variable.