document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=386341>Question 386341</A>: <I><SPAN STYLE=\"word-break: break-all;\"> show all work. twenty percent of american households own three or more cars. a random of 100 american households is selected. let x be the number of households selected that own three or more cars \r<BR>\n" );
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document.write( "the probability that at least 30 of the households selected own at least 3 or more cards is </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #273120 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=273120\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> show all work. <BR>\n" );
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document.write( "twenty percent of american households own three or more cars. <BR>\n" );
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document.write( "a random of 100 american households is selected. let x be the number of households selected that own three or more cars<BR>\n" );
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document.write( "the probability that at least 30 of the households selected own at least 3 or more cards is ?<BR>\n" );
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document.write( "Binomial Problem with n=100 and p = 0.20<BR>\n" );
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document.write( "P(30<= x <=100) = 1 - P(0<= x <=29) <BR>\n" );
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document.write( "= 1 - binomcdf(100,0.2,29) <BR>\n" );
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document.write( "= 0.01125<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. \r<BR>\n" );
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