During the Early Morning Hours, Customers Arrive at a Branch

question 12

Multiple Choice

During the early morning hours, customers arrive at a branch post office at the average rate of 45 per hour (exponential interarrival times) , while clerks can handle transactions on an average of 4 minutes each (exponential) .
If clerk cost is $30 per hour and customer waiting time represents a cost of $20 per hour, how many clerks can be justified on a cost basis?

• A) 2.
• B) 3.
• C) 4.
• D) 5.
• E) 6.

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Definitions:

Self-Contradictory

Self-contradictory refers to statements, propositions, or attitudes that are in logical conflict with each other, lacking consistency.

Test Condition

A specific situation or set of conditions under which testing is conducted to validate the functionality and performance of a particular aspect of a product or service.

Test Condition

Conditions or variables established for conducting experiments or trials to assess a hypothesis or evaluate outcomes.

Ad Hominem Attack

A fallacy that involves attacking the character or attributes of the person making an argument rather than addressing the substance of the argument itself.