document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=275441>Question 275441</A>: <I><SPAN STYLE=\"word-break: break-all;\"> an unprepared student makes random guesses for the ten true-false questions on a quiz. Find the probability that there is at least one correct answer. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #200919 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=200919\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .5 probability of getting an answer wrong.<BR>\n" );
document.write( ".5^10=.000977 probability of getting them all wrong.<BR>\n" );
document.write( "1-.000977=.9990234 probability that there is at least one correct answer.<BR>\n" );
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document.write( "Ed </SPAN>\n" );
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