Exhibit 5-15

question 37

Multiple Choice

Exhibit 5-15.A bank manager estimates that an average of two customers enter the tellers' queue every five minutes.Assume that the number of customers that enter the tellers' queue is Poisson-distributed. Refer to Exhibit 5-15.What is the probability that at least two customers enter the queue in a randomly selected five-minute period?

• A)0.1353
• B)0.2707
• C)0.4060
• D)0.5940

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Definitions:

Parent-Teacher Association

An organization composed of parents and teachers that aims to facilitate parental participation in schools and improve the educational experience.

Theater Crowd

A group of people gathered to watch a live performance in a theatre setting.

Emotional Ties

Emotional ties are deep connections between individuals based on feelings of love, friendship, or other emotional bonds.

Minimal Group Paradigm

Placing people into arbitrarily defined groups that have no important meaning is sufficient to trigger in-group and out-group processes and produce intergroup discrimination.