document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=15492>Question 15492</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I posted this earlier, but never received a response...hopefully you can help me!<BR>\n" );
document.write( "Suppose there are 10 items on a true-false test. The person taking the test does not read the questions; he just anserw each question randomly. What is the probability of his guessing all answers correctly?<BR>\n" );
document.write( "Thanks..any help would be great.<BR>\n" );
document.write( "Liz </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #7730 by </B><A HREF=/tutors/aboutme.mpl?userid=venugopalramana><B>venugopalramana(3286)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=venugopalramana><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.geocities.com/venugopalramana/FREE_MATHS_ASSISTANCE.html valign=middle><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=7730\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> There are only 2 out comes true or false and only one success so<BR>\n" );
document.write( "  probability of success in one trial = 1/2<BR>\n" );
document.write( "  it is same for every question and does not depend on other questions / answers haence for 10 questions <BR>\n" );
document.write( "  probability = (1/2)*(1/2)*(1/2)*...10 times = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281%2F2%29%5E10 ALIGN=MIDDLE  ALT=\"%281%2F2%29%5E10\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );