document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=146423>Question 146423</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 that (a) both will fail (b) Neither will fail? (c) One or the other will fail? Show all steps carefully? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #110887 by </B><A HREF=/tutors/aboutme.mpl?userid=nickstud><B>nickstud(1)</B></A><img src=\"/images/stars/iconNewId_16x16.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nickstud><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=110887\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> P(A)=.02	P(B)=.02	A=Alternator #1		B=Alternator #2\r<BR>\n" );
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document.write( "a)P(A &#8745; B) = P(A)P(B) = (.02)(.02) = .0004\r<BR>\n" );
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document.write( "b)(.98)(.98) = 0.9604\r<BR>\n" );
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document.write( "c)[P(alt 1 fails) * P(alt 2 doesn't fail)] + [P(alt 1 doesn't fail) * P(alt 2 fails)] = [ .02 * .98] + [.98 * .02] = .0392<BR>\n" );
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