document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=478177>Question 478177</A>: <I><SPAN STYLE=\"word-break: break-all;\"> in a group of 25 batteries five are deead.Choose 2 batteries at random <BR>\n" );
document.write( "create a probabilty model for the number of good batteries </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #327646 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=327646\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> in a group of 25 batteries five are dead.  Choose 2 batteries at random <BR>\n" );
document.write( "create a probabilty model for the number of good batteries<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Binomial Problem with n = 2 and p = 1/5<BR>\n" );
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document.write( "P(x = 0 dead) = (4/5)^2 = 16/25<BR>\n" );
document.write( "----<BR>\n" );
document.write( "P(x = 1 dead) = 2C1(1/5)(4/5) = 8/25<BR>\n" );
document.write( "----<BR>\n" );
document.write( "P(x = 2 dead) = (1/5)^2 = 1/25<BR>\n" );
document.write( "==================================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );