document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=271056>Question 271056</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Im so confused, I don't even know where to start! they seem like the same question..please help : (!\r<BR>\n" );
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document.write( "1.) 100 units are shipped,the probabilty that one is defective is .2, you select 12 at random, what is the probabilty 3 are defective?\r<BR>\n" );
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document.write( "2.)A shipment has 20 bad and 80 good units, you pick 12 at random, what is the probabilty 3 are defective? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #198487 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=198487\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1.) 100 units are shipped,the probabilty that one is defective is .2, you select 12 at random, what is the probabilty 3 are defective?<BR>\n" );
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document.write( "Binomial Problem: n = 12 ; p = 0.2<BR>\n" );
document.write( "P(x = 3) = 12C3(0.2)^3(0.8)^9 = binompdf(12,0.2,3) = 0.2362<BR>\n" );
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document.write( "2.)A shipment has 20 bad and 80 good units, you pick 12 at random, what is the probabilty 3 are defective?<BR>\n" );
document.write( "P(x = 3) is same as #1.<BR>\n" );
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document.write( "cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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