A Bank Manager Estimates That an Average of Two Customers

question 87

Multiple Choice

A bank manager estimates that an average of two customers enters the tellers' queue every five minutes. Assume that the number of customers that enters the tellers' queue is Poisson distributed. What is the probability that fewer than two customers enter the queue in a randomly selected five-minute period?

• A) 0.1353
• B) 0.2707
• C) 0.4060
• D) 0.6767

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Definitions:

Steroid Hormone

A type of hormone derived from cholesterol, including androgens, estrogens, glucocorticoids, and mineralocorticoids, that regulates various bodily functions.

Carbohydrate

Organic compounds consisting of carbon, hydrogen, and oxygen, serving as a major energy source for the body; includes sugars, starches, and fibers.

Protein

Large biomolecules, or macromolecules, consisting of one or more long chains of amino acid residues, vital for body structure and function.

Fat Metabolism

The biochemical process involving the breakdown, synthesis, and transformation of fats in the body for energy and cellular functions.