The Cashier Service Time at the Local Branch of the Rivertown

question 1

Multiple Choice

The cashier service time at the local branch of the Rivertown bank has an exponential distribution with a mean of 2.5 minutes.What is the probability that the service time: Is no more than 3 minutes?

• A).3012
• B).6988
• C).4346
• D).5654
• E).0821

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Definitions:

Social Identity Theory

A psychological theory suggesting that a person's sense of who they are is based on their group membership(s), which contributes to their self-esteem and behavior towards others.

Ultimate Attribution Error

A bias in which negative behaviors of out-group members are attributed to their character, while similar behaviors by in-group members are attributed to situational factors.

Intergroup Contact

The interaction between members of different social, ethnic, or cultural groups, which can reduce prejudice and improve intergroup relations.

Institutional Support

The assistance and resources provided by organizations or institutions, especially in educational, social, or professional settings, to facilitate goals or well-being.