​ Post Office

question 195

Short Answer

​ Post office
The number of arrivals at a local post office between 3:00 and 5:00 P.M.has a Poisson distribution with a mean of 12. ​ ​
-{Post Office Narrative} Find the probability that the number of arrivals between 3:00 and 5:00 P.M.is at least 10.

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Definitions:

Nearest Minute

A measure of time rounded to the closest minute, often used in timing or scheduling contexts.

Maximum Time

The longest duration allowed or recorded for a certain process, event, or activity to be completed.

Car Buyers

Individuals or entities that engage in the purchase of automobiles.

Frequency Bar Chart

A graphical representation using bars to show how often each different value in a set of data occurs.