document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=108363>Question 108363</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Thirteen percent of people are left handed.  You randomly select 8 persons and ask them if they are left-handed.  Find the probability that (a) exactly 1 person are left handed (b) at least 1 persons are left handed, and (C) less than 1 are left handed. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #78993 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=78993\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Thirteen percent of people are left handed.  You randomly select 8 persons and ask them if they are left-handed.<BR>\n" );
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document.write( "Note: Probability a person is not left handed = 0.87<BR>\n" );
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document.write( "Find the probability that\r<BR>\n" );
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document.write( "(a) exactly 1 person are left handed <BR>\n" );
document.write( "P(x=1) = 13C1(0.13)^1(0.87)^7 = 0.63756...<BR>\n" );
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document.write( "(b) at least 1 persons are left handed,<BR>\n" );
document.write( "P(x>=1) = 1 - P(x=0)<BR>\n" );
document.write( "= 1 - 0.87^ 8 =  0.6717883...<BR>\n" );
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document.write( "(c) less than 1 are left handed.<BR>\n" );
document.write( "P(x=0) = 0.87^8 = 0.328211..<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
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