​ 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:

Cash Basis

An accounting method where revenues and expenses are recorded when they are actually received or paid, not when they are incurred.

Operating Activities

The day-to-day functions of a business related to producing and selling its products or services, which are reflected in the cash flow statement.

Investing Activities

Transactions involving the purchase and sale of long-term assets and other investments, reflected in the cash flows of a business.

Direct Method

An accounting method used to allocate service department costs directly to producing departments without considering services rendered between service departments.