document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=233399>Question 233399</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A fair coin is tossed 5 successive times . what is the probability that at least one head is obtained ?\r<BR>\n" );
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document.write( "a) 8/10   b)  9/10    c) 1  d)  31/32   e)none\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #172276 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=172276\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A fair coin is tossed 5 successive times . what is the probability that at least one head is obtained ? <BR>\n" );
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document.write( "P(at least one) = 1 - P(none)<BR>\n" );
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document.write( "P(at least one) = 1 - (1/2)^5<BR>\n" );
document.write( "= 1 - 1/32 = 31/32<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.\r<BR>\n" );
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document.write( "a) 8/10 b) 9/10 c) 1 d) 31/32 e)none <BR>\n" );
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