document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=168946>Question 168946</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a student takes a 10 question mutiple choice quiz with 5 choices for each question, find the probility of guessing at least 7 correct out of 10 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #124568 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=124568\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The student has a 1/5 chance of getting any certain question right<BR>\n" );
document.write( "The sudent wants to repeat this lucky guess 7 times<BR>\n" );
document.write( "This is like rolling a 5-sided dice 7 times and getting the same<BR>\n" );
document.write( "number each time<BR>\n" );
document.write( "The probability is<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F5+%2A+1%2F5+%2A+1%2F5+%2A+1%2F5+%2A+1%2F5+%2A+1%2F5+%2A+1%2F5+=+1%2F15625 ALIGN=MIDDLE  ALT=\"1%2F5+%2A+1%2F5+%2A+1%2F5+%2A+1%2F5+%2A+1%2F5+%2A+1%2F5+%2A+1%2F5+=+1%2F15625\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "That's my guess, but I'm often wrong on probability<BR>\n" );
document.write( "questions, so get another opinion </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );