document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1052472>Question 1052472</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A research team conducted a study showing that approximately 15% of all businessmen who wear ties wear them so tightly that they actually reduce blood flow to the brain, diminishing cerebral functions. At a board meeting of 20 businessmen, all of whom wear ties, what are the following probabilities? (Round your answers to three decimal places.)<BR>\n" );
document.write( "(a) at least one tie is too tight<BR>\n" );
document.write( " <BR>\n" );
document.write( "(b) more than two ties are too tight\r<BR>\n" );
document.write( "\n" );
document.write( "(c) no tie is too tight<BR>\n" );
document.write( " <BR>\n" );
document.write( "(d) at least 18 ties are not too tight<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 #667874 by </B><A HREF=/tutors/aboutme.mpl?userid=addingup><B>addingup(3677)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=addingup><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=addingup><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=667874\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 15% wear ties too tight<BR>\n" );
document.write( "20 are in the meeting<BR>\n" );
document.write( ":<BR>\n" );
document.write( "20*0.15 = 3 about 3 wear their tie too tight so your answer is (b) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );