If Arrivals Follow a Poisson Distribution with Mean 1

question 93

Multiple Choice

If arrivals follow a Poisson distribution with mean 1.2 arrivals per minute, find the 75^th 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:

Mean Mileage

The average distance a vehicle can travel per unit of fuel.

Standard Deviation

A measure of the amount of variation or dispersion of a set of values, indicating how much the values differ from the mean.

Confidence Interval

A selection of values from statistical analyses of samples, likely to cover the value of an undiscovered population parameter.

Shelf Life

The length of time for which an item remains usable, fit for consumption, or saleable.