Assume That the Number of Customers Who Arrive at a Water

question 48

Multiple Choice

Assume that the number of customers who arrive at a water ice stand follows the Poisson distribution with an average rate of 6.4 per 30 minutes. What is the probability that exactly five customers will arrive during the next 30 minutes?

• A)0.0943
• B)0.3070
• C)0.1487
• D)0.0215

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Definitions:

Late

The state of occurring after the expected, usual, or proper time.

Pygmalion Effect

The phenomenon whereby higher expectations lead to an increase in performance; a form of self-fulfilling prophecy.

Expectations

Beliefs about the way events or actions will unfold based on previous experiences or societal standards.

Performance

The manner in which an individual or group executes or accomplishes a task, job, or function measured against preset known standards.