document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=177568>Question 177568</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/9780321501080/algebrahomeworkh></A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> In a survey of 75 resorts, it was reported that: <BR>\n" );
document.write( "	34 provided refrigerators in the guest rooms<BR>\n" );
document.write( "	30 provided laundry services <BR>\n" );
document.write( "	37 provided business centers <BR>\n" );
document.write( "	15 provided refrigerators in the guest rooms and laundry services <BR>\n" );
document.write( "	17 provided refrigerators in the guest rooms and business centers<BR>\n" );
document.write( "	19 provided laundry services and business centers <BR>\n" );
document.write( "	  7 provided all three features. \r<BR>\n" );
document.write( "\n" );
document.write( "Construct a Venn Diagram and use it to answer the following questions: <BR>\n" );
document.write( "(a)	How many of the resorts provided only refrigerators in the guest rooms? <BR>\n" );
document.write( "(b)	How many of the resorts provided exactly one of the features? <BR>\n" );
document.write( "(c)	How many of the resorts provided at least one of the features? <BR>\n" );
document.write( "(d)	How many of the resorts provided exactly two of the features? <BR>\n" );
document.write( "(e)	How many of the resorts provided none of the features? <BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #132603 by </B><A HREF=/tutors/aboutme.mpl?userid=Mathtut><B>Mathtut(3670)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Mathtut><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=132603\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" src=\"http://i11.photobucket.com/albums/a176/jabberstox/2008-04-15_161748_v2.jpg\">\r<BR>\n" );
document.write( "\n" );
document.write( "(a)How many of the resorts provided only refrigerators in the guest rooms? <BR>\n" );
document.write( "9(34-10-8-7)we had to back out those doing more than 1\r<BR>\n" );
document.write( "\n" );
document.write( "(b)How many of the resorts provided exactly one of the features? <BR>\n" );
document.write( "9+8+3   9(34-10-8-7): 8(37-10-12-7):3(30-8-12-7)<BR>\n" );
document.write( "= 20\r<BR>\n" );
document.write( "\n" );
document.write( "(c)How many of the resorts provided at least one of the features? <BR>\n" );
document.write( "1 feature(9+8+3)+2 features(10+8+12)+ all three(7)<BR>\n" );
document.write( "= 57\r<BR>\n" );
document.write( "\n" );
document.write( "(d)How many of the resorts provided exactly two of the features? <BR>\n" );
document.write( "(10+8+12)<BR>\n" );
document.write( "= 30\r<BR>\n" );
document.write( "\n" );
document.write( "(e)How many of the resorts provided none of the features? <BR>\n" );
document.write( "75-57<BR>\n" );
document.write( "= 18\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );