document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1099938>Question 1099938</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A test consists of 6 multiple choice questions, each having 5 possible answers, one of which is correct. Assume that you guess the answers to all 6. Find the probability of getting less than 2 correct. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #714449 by </B><A HREF=/tutors/aboutme.mpl?userid=KMST><B>KMST(5328)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=KMST><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=KMST><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=714449\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The coefficients of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.8W%2B0.2R ALIGN=MIDDLE  ALT=\"0.8W%2B0.2R\"   DISABLED_style= \"max-width:90%; height:auto;\" > represent the probability of<BR>\n" );
document.write( "being <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Wrong ALIGN=MIDDLE  ALT=\"Wrong\"   DISABLED_style= \"max-width:90%; height:auto;\" > and being <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Right ALIGN=MIDDLE  ALT=\"Right\"   DISABLED_style= \"max-width:90%; height:auto;\" > on each question.<BR>\n" );
document.write( "The coefficients of<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%280.8W%2B0.2R%29%5E6 ALIGN=MIDDLE  ALT=\"%280.8W%2B0.2R%29%5E6\"   DISABLED_style= \"max-width:90%; height:auto;\" >=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%280.8W%29%5E6%2B6%2A%280.8W%29%5E5%2A0.2%2AW%5E5%2AR%2B15%280.8%29%5E4%2A%280.2%29%5E2%2AW%5E4%2AR%5E2%2B%22...%22 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.8%5E6%2AW%5E6%2B6%2A0.8%5E5%2A0.2%2AW%5E5%2AR%2B15%2A0.8%5E4%2A0.2%5E2%2AW%5E4R%5E2%2B%22...%22 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "represent the probability of all the possible different outcomes for the 6-question test:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.8%5E6 ALIGN=MIDDLE  ALT=\"0.8%5E6\"   DISABLED_style= \"max-width:90%; height:auto;\" > is the probability of 6 wrong answers,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6%2A%280.8%29%5E5%2A0.2 ALIGN=MIDDLE  ALT=\"6%2A%280.8%29%5E5%2A0.2\"   DISABLED_style= \"max-width:90%; height:auto;\" > is the probability of 5 wrong answers plus one right,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=15%2A%280.8%29%5E4%2A%280.2%29%5E2 ALIGN=MIDDLE  ALT=\"15%2A%280.8%29%5E4%2A%280.2%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > is the probability of 4 wrong answers plus 2 right ones,<BR>\n" );
document.write( "and so on.<BR>\n" );
document.write( "So,the probability of getting less than 2 correct answers is<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.8%5E6%2B6%2A0.8%5E5%2A0.2=0.8%5E5%280.8%2B6%2A0.2%29=0.32768%280.8%2B1.2%29=.32768%2A2=highlight%280.65536=%2265.536%25%22%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );