document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=314681>Question 314681</A>: <I><SPAN STYLE=\"word-break: break-all;\"> During a space mission, the primary computer system is backed up by two secondary systems.  They operate independently of one another, and there is a 90% probability that a computer system will survive the mission.  What is the probability that:\r<BR>\n" );
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document.write( "All three systems will survive the mission?<BR>\n" );
document.write( "At least one system will survive the mission? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #225078 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=225078\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> During a space mission, the primary computer system is backed up by two secondary systems. They operate independently of one another, and there is a 90% probability that a computer system will survive the mission. What is the probability that: <BR>\n" );
document.write( "All three systems will survive the mission?:::0.9^3 = 0.729<BR>\n" );
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document.write( "At least one system will survive the mission?::: 1 - (0.1)^3 = 0.999<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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