document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=422407>Question 422407</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A package contains 10 pens, three of which are defective. If two pens are selected at random, find the probability of getting one defective pen? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #294846 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=294846\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A package contains 10 pens, three of which are defective. If two pens are selected at random, find the probability of getting one defective pen?<BR>\n" );
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document.write( "P(defective) = 3/10<BR>\n" );
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document.write( "P(not-defective) = 7/10<BR>\n" );
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document.write( "Binomial Problem with n = 2 and p = 0.3<BR>\n" );
document.write( "P(x = 1) = 2C1(0.3)(0.7) = 2*0.21 = 0.42<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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