document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1048562>Question 1048562</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In a supermarket, the probability that the eggs are rotten is 1/5. If Hassan went to the same market and buys 4 eggs.<BR>\n" );
document.write( " a. Find the probability that at least one egg is rotten.<BR>\n" );
document.write( " b. Given that at least one egg is rotten, what is the probability that more  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #664149 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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/cgi-bin/show-face.mpl?user=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=664149\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> At least one means 1- p(0) are rotten<BR>\n" );
document.write( "1-(0.8)^5=0.67232<BR>\n" );
document.write( "Given that at least one egg is rotten, then there are 4 possibilities.  The probability that no more are rotten is 1-0.8^4=0.5904.<BR>\n" );
document.write( "In this instance, we assume independence of trials.  Once one egg is rotten, the chances don't change for another, but the opportunity for it decreases from 5 to 4 trials. </SPAN>\n" );
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