document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=59205>Question 59205</A>: <I><SPAN STYLE=\"word-break: break-all;\"> please help me <BR>\n" );
document.write( "in alot of 50 light bulbs there are 2 bad bulbs an inspector examine 5 bulbs which are selected at random and without replacement \r<BR>\n" );
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document.write( "1. find the probabability of at least 1 defective bulb amont the 5<BR>\n" );
document.write( "2. how many bulbs should be examine so that the probability of<BR>\n" );
document.write( " finding at least 1 bad bulb exceeds 0.5 ? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #40771 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=40771\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> in alot of 50 light bulbs there are 2 bad bulbs an inspector examine 5 bulbs which are selected at random and without replacement <BR>\n" );
document.write( "1. find the probabability of at least 1 defective bulb amont the 5\r<BR>\n" );
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document.write( "P(at least 1 defective bulb)=1-P(none defective)<BR>\n" );
document.write( "=1-[48C5/50C5]=0.1918...<BR>\n" );
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document.write( "2. how many bulbs should be examine so that the probability of<BR>\n" );
document.write( "finding at least 1 bad bulb exceeds 0.5 ?<BR>\n" );
document.write( "??<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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