​ Post Office

question 152

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 3:30 and 4:00 P.M.is at least 10.

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Definitions:

Thymine Dimers

Molecular lesions formed by covalent bonding between two adjacent thymine bases in DNA, often as a result of ultraviolet radiation.

UV Light

Ultraviolet light, a type of electromagnetic radiation with wavelengths shorter than visible light but longer than X-rays, harmful to living tissue.

Cytosine Dimers

Incorrect pairing of cytosine bases that can occur due to damage, often caused by ultraviolet radiation, leading to mutations.

Purine Base

A type of nitrogenous base found in DNA and RNA, including adenine and guanine, which are essential for genetic information.