document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=466654>Question 466654</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I have worked this one out but I am not sure if the answer is correct. I only get one shot so any assistance helps.\r<BR>\n" );
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document.write( " A fair coin is flipped 20 times and the sequence of heads and tails is observed. Find the probability that the sequence consists of AT LEAST two heads. Answer in fraction reduced to the lowest terms.<BR>\n" );
document.write( "i said:<BR>\n" );
document.write( "1048555/1048576\r<BR>\n" );
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document.write( "Refer to the given graph. Assume one can move only down or to the right. If a route starts at A and ends at C, what is the probability that the route passes through B? Answer in fraction reduced to the lowest terms.\r<BR>\n" );
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document.write( "a<BR>\n" );
document.write( "[][][]b[][]<BR>\n" );
document.write( "[][][][][]<BR>\n" );
document.write( "[][][][][]<BR>\n" );
document.write( "[][][][][]<BR>\n" );
document.write( "[][][][][]c \r<BR>\n" );
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document.write( "I said c(4,1) but that isn't what it's asking for. Do i need to multiply C(4,1) by c(10,5) to find the probability of passing through b? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #320216 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=320216\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Your first answer is correct.<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Ed </SPAN>\n" );
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