14111cwir5ws.2

14111cwir5ws.2 - Potbellys. The following information was...

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c ± Kendra Kilmer September 30, 2011 4. For each part, draw a Venn Diagram with 3 subsets, A , B , and C , and shade the region that represents each set. (a) B A c C c (b) C ( A B ) (c) A ( B C ) c Section 6.2 n ( A ) represents the number of elements in a set. n ( A B ) = n ( A ) + n ( B ) - n ( A B ) We can label each region in a Venn Diagram with the number of elements in it to sort out the given information. 5. If n ( A ) = 15, n ( B ) = 23, and n ( A B ) = 5, what is n ( A B ) ? 6. A Universal Set consists of 3 subsets. We are given the following information: n ( A B c C c ) = 10 n ( A ) = 25 n ( B C ) = 10 n ( C ) = 30 n ( B c ) = 35 n ( A C B c ) = 9 n ( A B C ) = 2 n ( C c ) = 22. Fill out the Venn Diagram with this information and use it to find n ( B C ) . 7. A survey was conducted of 100 student’s dining preferences. They were all asked their preference on eating at Chipotle, Fitzwilly’s, and
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Unformatted text preview: Potbellys. The following information was determined: 20 students like only Fitzwillys. 30 students like exactly two of the restaurants. 50 students like Potbellys 5 students like all three restaurants. 15 students like Chipotle and Fitzwillys. 8 students like only Fitzwillys and Potbellys 60 students do not like Chipotle. Fill out the Venn Diagram with this information and use it to determine how many students do not like Fitzwillys. 2...
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