document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=127279>Question 127279</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A certain airplane has two independent alternators to provide electrical power. The probability that a given alternator will fail on a 1-hour flight is .02. What is the probability that (a) both will fail? (b) Neither will fail? (c) One or the other will fail?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #93256 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=93256\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A certain airplane has two independent alternators to provide electrical power. The probability that a given alternator will fail on a 1-hour flight is .02. What is the probability that (a) both will fail? (b) Neither will fail? (c) One or the other will fail? <BR>\n" );
document.write( "Prob(both fail) =0.2*0.2 = 0.04<BR>\n" );
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document.write( "Prob(neither will fail) = 0.8*0.8 = 0.64<BR>\n" );
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document.write( "Prob(one will fail) = 1-P(none will fail)-Prob(both will fail) = 1-0.68<BR>\n" );
document.write( "= 0/32<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );