document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=585877>Question 585877</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A quiz has 5 multiple choice questions. There are 3 choices for each question, with only one correct answer. Thus the probability of guessing the correct answer for any question is 1/3. A student guesses on all 5 questions. What is the probability they get exactly 3 correct? Give answer to the nearest thousandth as a decimal </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #373527 by </B><A HREF=/tutors/aboutme.mpl?userid=sudhanshu_kmr><B>sudhanshu_kmr(1152)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=sudhanshu_kmr><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=sudhanshu_kmr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=373527\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "probability of correct answer = 1/3 \r<BR>\n" );
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document.write( "probability of wrong answer = 2/3 \r<BR>\n" );
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document.write( "By using Binomial probability...<BR>\n" );
document.write( "probability of  exactly 3 correct answer = 5C3 *(1/3)^3 * (2/3)^2 \r<BR>\n" );
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document.write( "if any doubt, feel free to ask...... </SPAN>\n" );
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