document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=364396>Question 364396</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A student randomly guesses at 7 multiple choice questions. Each question has 5 possible choices.  What is the probability that the student gets exactly 1 correct? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #259819 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><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=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=259819\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1/5=.2 probability he guesses correctly.<BR>\n" );
document.write( "Let x=0.2 and y=0.8<BR>\n" );
document.write( "(x+y)^7<BR>\n" );
document.write( "7x^1y^6=.367 probability that the student gets exactly 1 correct.<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Ed<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );