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Q 2: a) How many eight-bit strings have exactly three 1's? b) How many distinguishable ways can the letters of the word COMPUTER be arranged in a row?

Q 2: a) How many eight-bit strings have exactly three 1's? b) How many distinguishable ways can the letters of the word COMPUTER be arranged in a row?

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Q 2: a) How many eight-bit strings have exactly three 1's? b) How many distinguishable ways can the letters of the word COMPUTER be arranged in a row? Q 3: (a) Suppose two members of the group of twelve insist on working as a pair---any team must contain either both or neither. How many five-person teams can be fornted? (b) Suppose two members of the group of twelve don't get along and refuse to work together on a team. How many five-person teams can be formed? How many integers from 100 through 999 must you pick in order to be sure that at least two of them have a digit in common? (For example, 256 'and 530 have the common digit 5)| num k in 8 %23 %24 & 4 7 8. 5 6 E R Y 4 U + || # M
Transcribed Image Text:Q 2: a) How many eight-bit strings have exactly three 1's? b) How many distinguishable ways can the letters of the word COMPUTER be arranged in a row? Q 3: (a) Suppose two members of the group of twelve insist on working as a pair---any team must contain either both or neither. How many five-person teams can be fornted? (b) Suppose two members of the group of twelve don't get along and refuse to work together on a team. How many five-person teams can be formed? How many integers from 100 through 999 must you pick in order to be sure that at least two of them have a digit in common? (For example, 256 'and 530 have the common digit 5)| num k in 8 %23 %24 & 4 7 8. 5 6 E R Y 4 U + || # M
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