An Operations Analyst Counted the Number of Arrivals Per Minute

question 68

Multiple Choice

An operations analyst counted the number of arrivals per minute at an ATM in each of 30 randomly chosen minutes. The results were: 0, 3, 3, 2, 1, 0, 1, 0, 0, 1, 1, 1, 2, 1, 0, 1, 0, 1, 2, 1, 1, 2, 1, 0, 1, 2, 0, 1, 0, 1. For the Poisson goodness-of-fit test, what is the expected frequency of the data value X = 1?

• A)Impossible to determine.
• B)11.04
• C)1.00
• D)2.47

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Definitions:

Knowledge Worker

An individual whose primary job involves processing and working with information, as opposed to manual labor.

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The stages a product goes through from development and introduction to the market, to growth, maturity, and eventual decline.

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The process of giving individuals or groups more power and control over their lives or work, often leading to increased autonomy and self-determination.

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