document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1078246>Question 1078246</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a multiple choice test has 7 questions each of which has 5 possible answers, only one of which is correct.  if judy, who forgot to study for the test guesses on all questions, what is the probability that she will answer exactly 3 questions correctly. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #692801 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=692801\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a multiple choice test has 7 questions each of which has 5 possible answers, only one of which is correct. if judy, who forgot to study for the test guesses on all questions, what is the probability that she will answer exactly 3 questions correctly.<BR>\n" );
document.write( "Binomial Problem with n = 7 and p = 1/5<BR>\n" );
document.write( "P(x = 3) = 7C3*(1/5)^3*(4/5)^4 = binompdf(7,1/5,3) = 0.1147<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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