If Arrivals Follow a Poisson Distribution with Mean 1

question 90

Multiple Choice

If arrivals follow a Poisson distribution with mean 1.2 arrivals per minute,find the 75th percentile of waiting times until the next arrival (i.e. ,75 percent below) .

• A)1.155 minutes (69.3 seconds)
• B)0.240 minute (14.4 seconds)
• C)1.919 minutes (115.1 seconds)

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Definitions:

Statistical Determinism

The theory that future outcomes can be predicted with certainty based on statistical laws and past events.

Statistical Findings

Results derived from the collection, analysis, interpretation, and presentation of data.

Self-actualization

The realization or fulfillment of one's talents and potentialities, considered as a drive or need present in everyone.

Defense

Psychological mechanisms or strategies employed by individuals to protect themselves from perceived threats or to manage uncomfortable emotions.