A Single-Server Waiting Line System Has an Arrival Pattern Characterized

question 112

Multiple Choice

A single-server waiting line system has an arrival pattern characterized by a Poisson distribution with 3 customers per hour. The average service time is 12 minutes. The service times are distributed according to the negative exponential distribution.
-The expected number of customers in the system is:

• A) 3.0
• B) 1.5
• C) 1.0
• D) .90

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Definitions:

Sampling Distribution

The probability distribution of a given statistic based on a random sample, which can provide insight into the properties of the population from which the sample was drawn.

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The period during which a product or component is expected to perform its intended function satisfactorily under normal usage conditions.

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