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How many phone lines, at $40 a pop, must a new field office have to conduct 400 calls a night?
They can have only so many phone lines and so many reservationists, and if hundreds of us are competing to get through, well, is that their problem?
Erlang's work helped the phone company figure out how many phone lines and operators the old-fashioned central switchboard needed to keep customers from waiting too long.
"In 1910," Goolsbee says, "if someone could have gone back and told people then how many phone lines would exist today in the U.S., they'd have responded that that was physically impossible, because every American would need to be a telephone exchange operator.
For example, many phone lines had been disconnected.
The Red Cross has asked Southern California residents to continue to try to reach missing family members — bearing in mind that many phone lines are still down — before initiating a tracking case.
Similar(53)
One second thought, Mr. Rassbeharry added, when he moved his business to the building in 2003, he had found it strange to discover that so many different phone lines had been installed in the storefront.
For many people answering phone lines that are easily available to the public, the job becomes partly that of therapist.
When we arrived that evening, the city was in the midst of a dengue-fever epidemic, and many of the phone lines were down.
Many customers cancel phone lines they used for dial-up Internet service, but then sign up for broadband services provided by their phone company.
However, after speaking with Professor Land about this idea we realized that developing such a system would entail many problems as phone lines are not available in the lab.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com