Asked by: monkadeen-ga
List Price: $2.00
20 May 2006 08:31 PDT
Expires: 19 Jun 2006 08:31 PDT
Question ID: 730714
A telephone number consists of seven digits, the first three representing the exchange. How many different telephone numbers are possible within the 537 exchange?
Answered By: eiffel-ga on 20 May 2006 12:13 PDT
Hi monkadeen-ga, Of the seven digits, the first three are used to represent the exchange. Therefore, the remaining four digits denote the telephone number within the exchange. In your example, the possible telephone numbers within the 537 exchange are numbered from 537-0000 through 537-9999. Therefore, there are 10,000 possible different telephone numbers within the 537 exchange. Regards, eiffel-ga
From: mija2u-ga on 16 Oct 2006 13:31 PDT
What formula would you use to calculate this probability.
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