As of April 2006, roughly 50 million.com web domain names were registered (e.g., yahoo.com). (a) How many domain names consisting of just two letters in sequence can be formed? x domain names How many domain names of length two are there if digits as well as letters are permitted as characters? [Note: A character length of three or more is now mandated.] domain names (b) How many domain names are there consisting of three letters in sequence? [Note: All are currently taken.] X domain names How many of this length are there if either letters or digits are permitted? domain names (c) How many domain names are there consisting of four letters in sequence? x domain names How many of this length are there if either letters or digits are permitted? domain names (d) As of a certain date, 96,385 of the four-character sequences using either letters or digits had not yet been claimed. If a four-character name is randomly selected on that date, what is the pro that it is already owned? (Round your answer to four decimal places.)
As of April 2006, roughly 50 million.com web domain names were registered (e.g., yahoo.com). (a) How many domain names consisting of just two letters in sequence can be formed? x domain names How many domain names of length two are there if digits as well as letters are permitted as characters? [Note: A character length of three or more is now mandated.] domain names (b) How many domain names are there consisting of three letters in sequence? [Note: All are currently taken.] X domain names How many of this length are there if either letters or digits are permitted? domain names (c) How many domain names are there consisting of four letters in sequence? x domain names How many of this length are there if either letters or digits are permitted? domain names (d) As of a certain date, 96,385 of the four-character sequences using either letters or digits had not yet been claimed. If a four-character name is randomly selected on that date, what is the pro that it is already owned? (Round your answer to four decimal places.)
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section: Chapter Questions
Problem 22T
Related questions
Question
p6
![As of April 2006, roughly 50 million .com web domain names were registered (e.g., yahoo.com).
(a) How many domain names consisting of just two letters in sequence can be formed?
X domain names
How many domain names of length two are there if digits as well as letters are permitted as characters? [Note: A character length of three or more is now mandated.]
domain names
(b) How many domain names are there consisting three letters in sequence? [Note: All are currently taken.]
X domain names
How many of this length are there if either letters or digits are permitted?
domain names
(c) How many domain names are there consisting of four letters in sequence?
X domain names
How many of this length are there if either letters or digits are permitted?
domain names
(d) As of a certain date, 96,385 of the four-character sequences using either letters or digits had not yet been claimed. If a four-character name is randomly selected on that date, what is the probability
that it is already owned? (Round your answer to four decimal places.)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff826f18d-1a31-4bd0-9dad-bcae2ec21527%2Fae64b5e4-7ad8-485a-a8ef-b1a4899ac677%2Ffubjhqs_processed.png&w=3840&q=75)
Transcribed Image Text:As of April 2006, roughly 50 million .com web domain names were registered (e.g., yahoo.com).
(a) How many domain names consisting of just two letters in sequence can be formed?
X domain names
How many domain names of length two are there if digits as well as letters are permitted as characters? [Note: A character length of three or more is now mandated.]
domain names
(b) How many domain names are there consisting three letters in sequence? [Note: All are currently taken.]
X domain names
How many of this length are there if either letters or digits are permitted?
domain names
(c) How many domain names are there consisting of four letters in sequence?
X domain names
How many of this length are there if either letters or digits are permitted?
domain names
(d) As of a certain date, 96,385 of the four-character sequences using either letters or digits had not yet been claimed. If a four-character name is randomly selected on that date, what is the probability
that it is already owned? (Round your answer to four decimal places.)
Expert Solution
![](/static/compass_v2/shared-icons/check-mark.png)
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 4 steps
![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)
Recommended textbooks for you
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
![College Algebra](https://www.bartleby.com/isbn_cover_images/9781337282291/9781337282291_smallCoverImage.gif)
![Algebra: Structure And Method, Book 1](https://www.bartleby.com/isbn_cover_images/9780395977224/9780395977224_smallCoverImage.gif)
Algebra: Structure And Method, Book 1
Algebra
ISBN:
9780395977224
Author:
Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:
McDougal Littell
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
![College Algebra](https://www.bartleby.com/isbn_cover_images/9781337282291/9781337282291_smallCoverImage.gif)
![Algebra: Structure And Method, Book 1](https://www.bartleby.com/isbn_cover_images/9780395977224/9780395977224_smallCoverImage.gif)
Algebra: Structure And Method, Book 1
Algebra
ISBN:
9780395977224
Author:
Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:
McDougal Littell
![Holt Mcdougal Larson Pre-algebra: Student Edition…](https://www.bartleby.com/isbn_cover_images/9780547587776/9780547587776_smallCoverImage.jpg)
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL
![Mathematics For Machine Technology](https://www.bartleby.com/isbn_cover_images/9781337798310/9781337798310_smallCoverImage.jpg)
Mathematics For Machine Technology
Advanced Math
ISBN:
9781337798310
Author:
Peterson, John.
Publisher:
Cengage Learning,
![College Algebra (MindTap Course List)](https://www.bartleby.com/isbn_cover_images/9781305652231/9781305652231_smallCoverImage.gif)
College Algebra (MindTap Course List)
Algebra
ISBN:
9781305652231
Author:
R. David Gustafson, Jeff Hughes
Publisher:
Cengage Learning