Consider an Espresso Stand with a Single Barista

question 18

Multiple Choice

Consider an espresso stand with a single barista.Customers arrive at the stand at the rate of 28 per hour according to a Poisson distribution.Service times are exponentially distributed with a service rate of 35 customers per hour.The probability that there are more than 2 customers in the system is

• A)0.128
• B)0.488
• C)0.512
• D)0.640

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Definitions:

Dissonance Theory

A psychological theory proposing that inconsistency among beliefs, perceptions, and actions leads to discomfort, which people are motivated to reduce.

Attitude

A fairly stable evaluation of something as good or bad that makes a person think, feel, or behave positively or negatively about some person, group, or social issue.

Abortion

The medical or surgical termination of a pregnancy before the fetus is capable of independent life.

Peripheral Route

One of the two paths of persuasion according to the Elaboration Likelihood Model, where people are influenced by superficial cues rather than detailed message content.