A Local Bank Has Two Drive-Thru Teller Windows with an Essentially

question 35

Essay

A local bank has two drive-thru teller windows with an essentially unlimited queue length.They estimate that the arrival rate during their most busy time will average about 40 cars per hour.They also estimate they can serve an average of 50 cars per hour.Management wants to make sure that the system is operating efficiently.
a.What is the probability that there will be no cars in the system?
b.On average, how many cars are in the system?
c.How long would a car be waiting (in seconds) in the driveway, on average?

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Definitions:

Superordinate Goals

Shared goals that require cooperation among individuals or groups, often leading to conflict resolution because the goals are prioritized above individual or group interests.

Boy Scout Camp

An outdoor educational and recreational program designed for members of the Boy Scouts to teach survival skills, leadership, and teamwork in a natural setting.

Ingroup Bias

The tendency to favor members of one's own group or identity over those from different groups.

Perceived Incompatibility

The belief or feeling that two or more things do not fit together or cannot coexist.