The Average Length of Time That a Customer Waits in Line

question 70

Multiple Choice

The average length of time that a customer waits in line for service is where y is the average arrival rate, written as the number of customers per unit of time, and x is the average service rate, written in the same units. Evaluate . Note: x and y are given as the number of customers per hour. ​

• A) 13 min
• B) 10 min
• C) 7 min
• D) 8 min
• E) 12 min

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Definitions:

Evolutionary Hypothesis

A theory suggesting that the traits and behaviors possessed by organisms have developed over time through natural selection and adaptation to their environments.

Mating Preferences

The criteria or attributes that individuals in a species use to select their partners for reproduction.

Cross-Cultural

Relating to, or comparing different cultures or cultural areas to elucidate their similarities and differences.

Characteristics of Mating

Traits and behaviors that influence the selection of a partner for reproduction within a species.