document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1155490>Question 1155490</A>: <I><SPAN STYLE=\"word-break: break-all;\"> According to insurance records, a car with a certain protection system will be recovered 88% of the time. If 500 stolen cars are randomly selected, what is the mean and standard deviation of the number of cars recovered after being stolen? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #778077 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=778077\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> mean is n*p=500*0.88=440 cars<BR>\n" );
document.write( "variance is np(1-p)=440*0.15=66 cars^2<BR>\n" );
document.write( "sd is sqrt(V)=8.12 cars  </SPAN>\n" );
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