document.write( "Question 147949This question is from textbook
\n" ); document.write( ": Im having diffuculties figuring this out.
\n" ); document.write( "(10 pts) In a survey of 75 resorts, it was reported that:
\n" ); document.write( " 34 provided refrigerators in the guest rooms
\n" ); document.write( " 30 provided laundry services
\n" ); document.write( " 37 provided business centers
\n" ); document.write( " 15 provided refrigerators in the guest rooms and laundry services
\n" ); document.write( " 17 provided refrigerators in the guest rooms and business centers
\n" ); document.write( " 19 provided laundry services and business centers
\n" ); document.write( " 7 provided all three features. \r
\n" ); document.write( "\n" ); document.write( "Construct a Venn Diagram (You may do the Venn diagram by hand and scan it in, if you like.) and use it to answer the following questions:
\n" ); document.write( "(a) How many of the resorts provided only refrigerators in the guest rooms?
\n" ); document.write( "(b) How many of the resorts provided exactly one of the features?
\n" ); document.write( "(c) How many of the resorts provided at least one of the features?
\n" ); document.write( "(d) How many of the resorts provided exactly two of the features?
\n" ); document.write( "(e) How many of the resorts provided none of the features?
\n" ); document.write( "If you want to make your Venn diagram on the computer, here are some symbols/shapes you might need:
\n" ); document.write( "Copy and paste. Resize as necessary!\r
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Algebra.Com's Answer #108336 by scott8148(6628)\"\" \"About 
You can put this solution on YOUR website!
3 intersecting circles __ r, l, b\r
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\n" ); document.write( "\n" ); document.write( "r-l-b __ 7
\n" ); document.write( "l-b __ 19-7=12
\n" ); document.write( "r-b __ 17-7=10
\n" ); document.write( "r-l __ 15-7=8
\n" ); document.write( "r __ 34-8-10-7=9
\n" ); document.write( "l __ 30-8-12-7=3
\n" ); document.write( "b __ 37-10-12-7=8\r
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\n" ); document.write( "\n" ); document.write( "a) r=9\r
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\n" ); document.write( "\n" ); document.write( "b) r + l + b =9+3+8=20\r
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\n" ); document.write( "\n" ); document.write( "c) 7+12+10+8+9+3+8=57\r
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\n" ); document.write( "\n" ); document.write( "d) l-b + r-b + r-l = 12+10+8 =30\r
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\n" ); document.write( "\n" ); document.write( "e) 75-57=18
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