document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1042802>Question 1042802</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A quiz has 4 multiple-choice questions. Each question has 5 choices, 1 being correct and the other 4 being incorrect. Suppose you guess on all 4 questions. What is the probability of getting 3 questions right? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #657893 by </B><A HREF=/tutors/aboutme.mpl?userid=MathTherapy><B>MathTherapy(10552)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathTherapy><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=MathTherapy><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=657893\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A quiz has 4 multiple-choice questions. Each question has 5 choices, 1 being correct and the other 4 being incorrect. Suppose you guess on all 4 questions. What is the probability of getting 3 questions right?<BR>\n" );
document.write( "<PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\">Use the BINOMIAL PROBABILITY formula: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%22+%22%5Bn%5DC%5Bs%5D+%2A+p%5Es+%2A+q%5E%28n+-+s%29 ALIGN=MIDDLE  ALT=\"%22+%22%5Bn%5DC%5Bs%5D+%2A+p%5Es+%2A+q%5E%28n+-+s%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Probability of getting EXACTLY 3 correct: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28highlight_green%28highlight%28matrix%281%2C3%2C+%22+%22%5B4%5DC%5B3%5D+%2A+%281%2F5%29%5E3+%2A+%284%2F5%29%5E%284+-+3%29+=+4+%2A+%281%2F125%29+%2A+%284%2F5%29+=+16%2F625%2C+or%2C+.0256%29%29%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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