Question: The design of a communication system considered the following questions: (a) How many three-digit phone prefixes that are used to represent a particular geographic area

The design of a communication system considered the following questions:
(a) How many three-digit phone prefixes that are used to represent 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?

Step by Step Solution

★★★★★

3.40 Rating (162 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

a From the multiplication rule 10 1000 prefixes a... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

M-S (128).docx

120 KBs Word File

Students Have Also Explored These Related Statistics Questions!

How do respondents influence the design of a questionnaire? Give some examples, e.g., questionnaires designed for engineers, baseball players, Army generals, and migrant farm workers.

How does the design of a facility affect product quality and production efficiency?

The design of a centrifugal water pump is studied by a 1/ 10 scale model in a hydraulic laboratory. At the optimum efficiency of 89 percent the model delivers 75.3 L/ sec of water against a 10-m head...

(14: a) Consider the design of a communication system. i. Howr many threedigit phone prefixes that are used to represent a particular geographic area [such as an area code) can be created from the...

2.1.41 A batch of 140 semiconductor chips is inspected by choosing a sample of a chips. Assume 10 of the chips do not conform to customer requirements. (a) How many different samples are possible?...

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...

2211 m 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...

BUSINESS LAW SIMULATION EXERCISE 1 Cphib jonesinGetty Images Page 320 Restrictive Covenants in Contracts: Neurology Associates, LLP v. Elizabeth Blackwell, M.D. Learning Objectives After studying...

Hello, I am needing help on this assignment please ASAP so I can study it as I have a test on Thursday over this and many other things. let me know if there are any questions. Thank you. UNITED...

How many integers from 1 to 99,999 contain exactly two consecutive 1s?

In an essay, address the following: Here are data on two companies. The T-bill rate is 4% and the market risk premium is 6%. What would be the fair return for each company, according to the capital...

1 Tamarisk Company's unadjusted trial balance at December 3 1 , 2 0 2 5 , included the following accounts. \ table [ [ , Debit,Credit ] , [ Accounts receivable,$ 4 8 , 4 0 0 , ] , [ Allowance for...

Either funding for nuclear fusion will be cut or if sufficiently high temperatures are achieved in the laboratory, nuclear fusion will become a reality. Either the supply of hydrogen fuel is limited,...

Eleven years ago, Chad invested $9,000. Six years ago, Allison invested $12,000. Today, both Chad's and Allison's investments are each worth $2,400. Assume that both Chad and Allison continue to earn...

which one has no correlation A B ... C D 45 minutes remaini

Bug Bastion Village, a student apartment complex, generates effective gross income of $26,000. Income tax savings are $12,500 (due to interest and depreciation expense, the owner's income tax...