document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=197998>Question 197998</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Three defective electric toothbrushes were accidently shipped along with 17 non-defective.\r<BR>\n" );
document.write( "\n" );
document.write( "a. what is the probability that the first two selected will be defective.\r<BR>\n" );
document.write( "\n" );
document.write( "b. what is the probability the first two sold will not be defected </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #148480 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=148480\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Three defective electric toothbrushes were accidently shipped along with 17 non-defective. <BR>\n" );
document.write( "a. what is the probability that the first two selected will be defective.<BR>\n" );
document.write( "Ans: 3C2/17C2 = 3/136<BR>\n" );
document.write( "------------------------------------------ <BR>\n" );
document.write( "b. what is the probability the first two sold will not be defected<BR>\n" );
document.write( "Ans: 14C2/17C2 = 0.669...<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );