document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1041094>Question 1041094</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A commercial jet aircraft has four engines. For an aircraft in flight to land safely, at least two engines should be in working condition. Each engine has an independent reliability of 92%. What is the probability that the aircraft will land safely? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #656049 by </B><A HREF=/tutors/aboutme.mpl?userid=robertb><B>robertb(5830)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=robertb><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/cgi-bin/show-face.mpl?user=robertb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=656049\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let the random variable X = # of engines in working condition.\r<BR>\n" );
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document.write( "The possible values of X: 0, 1, 2, 3, 4.\r<BR>\n" );
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document.write( "==> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%28X+%3E=+2%29+=+%28matrix%282%2C1%2C4%2C2%29%29%2A0.08%5E2%2A0.92%5E2+%2B+%28matrix%282%2C1%2C4%2C3%29%29%2A0.08%5E1%2A0.92%5E3+%2B+%28matrix%282%2C1%2C4%2C4%29%29%2A0.08%5E0%2A0.92%5E4+=+0.99807488 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >,\r<BR>\n" );
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document.write( "the probability that the aircraft will land safely. </SPAN>\n" );
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