document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=912192>Question 912192</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If 3 of 440 people. are randomly selected without replacement, find the probability that at least one is a non-smoker.\r<BR>\n" );
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document.write( "a - 0.7433<BR>\n" );
document.write( "b - 0.6364<BR>\n" );
document.write( "c - 0.9525<BR>\n" );
document.write( "d - 0.0475\r<BR>\n" );
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document.write( "Total non-smoker is 280\r<BR>\n" );
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document.write( "Teacher says the answer is \"c\".  I can not get to this answer with any formula I try </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #553861 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=553861\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> First find the probability that none are non-smokers.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P=%28160%2F440%29%28160%2F440%29%28160%2F440%29 ALIGN=MIDDLE  ALT=\"P=%28160%2F440%29%28160%2F440%29%28160%2F440%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P=0.048084 ALIGN=MIDDLE  ALT=\"P=0.048084\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "So the complement of none are non-smokers is that one must be a non-smoker and <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%2BP%281_NS%29=1 ALIGN=MIDDLE  ALT=\"P%2BP%281_NS%29=1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%281_NS%29=1-P ALIGN=MIDDLE  ALT=\"P%281_NS%29=1-P\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%281_NS%29=1-0.048084 ALIGN=MIDDLE  ALT=\"P%281_NS%29=1-0.048084\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%281_NS%29=0.951916 ALIGN=MIDDLE  ALT=\"P%281_NS%29=0.951916\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( " </SPAN>\n" );
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