document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1145040>Question 1145040</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A survey of 200 grade 12 students produced the following data:   101 had a smartphone,  73 had a Ipad,  98 had a laptop,   41 had both a smart phone and an Ipad,  33 had both a Ipad and a laptop, 21 had both a smart phone and a laptop, 12 had all three items.\r<BR>\n" );
document.write( "\n" );
document.write( "a) Construct a Venn diagram to determine how many people in the survey had none of the items.<BR>\n" );
document.write( "b) What is the probability that a student had:<BR>\n" );
document.write( "I) exactly two of the items.<BR>\n" );
document.write( "II) Only a laptop<BR>\n" );
document.write( "III)A smartphone but not a Ipad<BR>\n" );
document.write( "IV) a laptop or an Ipad  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #766292 by </B><A HREF=/tutors/aboutme.mpl?userid=solver91311><B>solver91311(24713)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solver91311><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/cgi-bin/show-face.mpl?user=solver91311><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=766292\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font face=\"Times New Roman\" size=\"+2\">\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Your data is faulty.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "41 had iPad + SmartPhone<BR>\n" );
document.write( "33 had iPad + Laptop<BR>\n" );
document.write( "12 had all three\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "So, at an absolute minimum, 86 students had iPad.  But your problem statement said 73 students have an iPad.  Impossible for the number of students who only have an iPad to be minus 13.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Correct your data and repost.  Choose ONE of the questions to ask.  One question per post.<BR>\n" );
document.write( "								<BR>\n" );
document.write( "								<BR>\n" );
document.write( "John<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE e^{i\pi}\ +\ 1\ =\ 0\"><BR>\n" );
document.write( "My calculator said it, I believe it, that settles it<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" src=\"http://c0rk.blogs.com/gr0undzer0/darwin-fish.jpg\"><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large \ \\r\"> </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );