# Hint see example 4 n a 20 n b 21 n c 28 n b c 8 n s

• Homework Help
• 9
• 89% (9) 8 out of 9 people found this document helpful

This preview shows page 3 - 6 out of 9 pages.

HINT [See Example 4.]n(A) =20,n(B) =21,n(C) =28,n(BC) =8,n(S) =52x=44y=99z=1010w=66t=779.1/1 points| Previous AnswersWaneFM6 6.2.031.
Ask Your TeacherMy NotesA search using the Web search engine BingTMfor "asteroid" yielded25.0million Websites containing that word. A search for "comet" yielded92.0million sites. A searchfor sites containing both words yielded3.6million sites. How many Web sitescontained either "asteroid" or "comet" or both? HINT [See Example 1.]
10.1/1 points| Previous AnswersWaneFM6 6.2.039.Ask Your TeacherMy NotesThe following table shows the results of a survey of authors by a fictitious publishingcompany.New AuthorsEstablishedAuthorsTotalSuccessful32730Unsuccessful135770Total1684100Consider the following subsets of the setSof all authors represented in the table:Cthe set of successful authors;U, the set of unsuccessful authors;N, the set of newauthors; andE, the set of established authors. HINT [See Example 3.] (Round youranswers to two decimal places.)What percentage of established authors are successful?,
What percentage of successful authors are established?
11.1/1 points| Previous AnswersWaneFM6 6.2.041.Ask Your TeacherMy NotesThe following table shows the number of sales of existing homes, in millions, in the differentregions of the United States during 2009–2011.TakeSto be the set of all home salesrepresented in the table and label the sets representing the home sales in each row andcolumn as shown (so that, for example,Nis the set of all sales of existing homes in theNortheast during 2009–2011).Northeast(N)Midwest(M)South(T)West(W)Total2009 (A)0.91.21.91.25.22010 (B)0.81.11.91.25.02011 (C)0.81.11.91.14.9Total2.53.45.73.515.1Use symbols to describe the given set.The set of sales of existing homes in the Midwest in2011MCMCMNMTMWCompute its cardinality.

Upload your study docs or become a

Course Hero member to access this document

Upload your study docs or become a

Course Hero member to access this document

End of preview. Want to read all 9 pages?

Upload your study docs or become a

Course Hero member to access this document

Term
Spring
Professor
ESTERNBURGER
Tags
Math