document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1032434>Question 1032434</A>: <I><SPAN STYLE=\"word-break: break-all;\">  An unbalanced coin shows heads 55% of the time. <BR>\n" );
document.write( " (a)   If the coin is tossed 12 times, what is the probability of heads on all tosses? <BR>\n" );
document.write( "     <BR>\n" );
document.write( " (b)   Find the probability of at least one head in 12 tosses.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #647093 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=647093\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> An unbalanced coin shows heads 55% of the time. <BR>\n" );
document.write( "(a) If the coin is tossed 12 times, what is the probability of heads on all tosses?<BR>\n" );
document.write( "P(all heads) = 0.55^12 = 0.000766 <BR>\n" );
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document.write( "(b) Find the probability of at least one head in 12 tosses.<BR>\n" );
document.write( "P(1<= x <=12) = 1 - P(x = 0) = 1 - 0.45^12 = 0.00003<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "-----------\r<BR>\n" );
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document.write( " </SPAN>\n" );
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