document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=418138>Question 418138</A>: <I><SPAN STYLE=\"word-break: break-all;\"> over a yr period 20% of the cars will need to be repaired once, 7% repairs twice, 3% will require three or more. if you own tow cars what is the probability that neither will need to be repaired?  I figured out the probability for one car but dont understand how to get 2 cars. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #292729 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=292729\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> over a yr period 20% of the cars will need to be repaired once, <BR>\n" );
document.write( "7% repairs twice, 3% will require three or more. <BR>\n" );
document.write( "if you own two cars what is the probability that neither will need to be repaired? <BR>\n" );
document.write( "I figured out the probability for one car but dont understand how to get 2 cars.<BR>\n" );
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document.write( "You have to assume that repairs on cars are independent events;<BR>\n" );
document.write( "my lemon does make your car a lemon.<BR>\n" );
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document.write( "P(a car will need repair) = 0.30<BR>\n" );
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document.write( "P(2 need repairs) = 0.3^2 = 0.09<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "============= </SPAN>\n" );
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