document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=438063>Question 438063</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a machine has 7 identical components which fucntion independently. the probability that a component will fail is 0.200.  the machine will stop working if more than three components fail.  find the probability that the machine will be working.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #303014 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=303014\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  a machine has 7 identical components which fucntion independently. the probability that a component will fail is 0.200. the machine will stop working if more than three components fail. find the probability that the machine will be working.<BR>\n" );
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document.write( "P(component fails) = 0.2<BR>\n" );
document.write( "P(component does not fail) = 0.8<BR>\n" );
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document.write( "P(7 components do not fail) = 0.8^7 = 0.2097<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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