Suppose That a Service Facility Has an Average Line of 2

question 17

Essay

Suppose that a service facility has an average line of 2 customers that must wait, on average, 5 minutes for service. How many customers are arriving per hour?

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Definitions:

90% Confidence

A statistical term indicating that there is a 90 percent chance that the true parameter is within the calculated confidence interval.

Standard Deviation

An statistical measure that quantifies the dispersion or spread of a set of data points around their mean value.

Sample Variances

The measure of dispersion within a sample set of data, indicating how much the values in the sample differ from the mean of the sample.

Z-score

A statistical measurement that describes a value's relationship to the mean of a group of values, measured in terms of standard deviations from the mean.