Consider the design of a communication system. (a) How many three-digit phone prefixes that are used to

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Consider the design of a communication system.

(a) How many three-digit phone prefixes that are used to rep- resent a particular geographic area (such as an area code) can be created from the digits 0 through 9?

(b) As in part (a), how many three-digit phone prefixes are possible that do not start with 0 or 1, but contain 0 or 1 as the middle digit?

(c) How many three-digit phone prefixes are possible in which no digit appears more than once in each prefix?

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Applied Statistics And Probability For Engineers

ISBN: 9780470053041

5th Edition

Authors: Douglas C. Montgomery, George C. Runger

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Question Posted: Nov 06, 2024 12:00 PM

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Consider the design of a communication system. (a) How many three-digit phone prefixes that are used to

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Applied Statistics And Probability For Engineers

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