document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=298523>Question 298523</A>: <I><SPAN STYLE=\"word-break: break-all;\"> There are 60% heating equipment 25% electrical equipment and 15% plumbing equipment in a store, what is the probability that at least 3 out of 5 of the items bought are heating equipment? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #214728 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=214728\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> There are 60% heating equipment 25% electrical equipment and 15% plumbing equipment in a store, what is the probability that at least 3 out of 5 of the items bought are heating equipment?<BR>\n" );
document.write( "------------------------<BR>\n" );
document.write( "P(heating) = 0.6<BR>\n" );
document.write( "n = 5<BR>\n" );
document.write( "x = 3<= x <=5<BR>\n" );
document.write( "-------------------<BR>\n" );
document.write( "P(3<= x <=5) = 1 - binomcdf(5,0.6,2) = 0.6826<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );