document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=446887>Question 446887</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Question 5.62<BR>\n" );
document.write( "A certain airplane has two independent alternators to povide electrical power. The probability that a given alternator will fail on a 1-hour flight is .02. What is the probability that (a) oth will fail? (b) Neither will fail? (c) One or the other will fail? Show all step carefully.\r<BR>\n" );
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document.write( "Question 5.70<BR>\n" );
document.write( "The probability is 1 in 4,000,000 that a single auto trip in the United States will result in a fatality. Over a lifetime, an average driver takes 50,00 trips. (a) What is the probability of a fatal accident over a lifetime? Explai your reasoning carewfully. Hint:Assume independent events. Why might the assumption of independence be violated? 9b) Why might a driver be tempted not to use a seat belt \"just on this trip\"? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #307742 by </B><A HREF=/tutors/aboutme.mpl?userid=sudhanshu_kmr><B>sudhanshu_kmr(1152)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=sudhanshu_kmr><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=sudhanshu_kmr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=307742\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  probability that \r<BR>\n" );
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document.write( "(a) both will fail= 0.02 * 0.02 = 0.0004\r<BR>\n" );
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document.write( " (b) Neither will fail=  0.98 * 0.98 = 96.04\r<BR>\n" );
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document.write( "(c) One or the other will fail = 0.98 * 0.02 + 0.98* 0.02  = 0.0392\r<BR>\n" );
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