document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=979411>Question 979411</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The probability of a plant surviving in Kerry’s garden is 0.7. If she plants 19 new plants this year,<BR>\n" );
document.write( "(a) what is the probability that at least 10 of them survive?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #600676 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=600676\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The expected value is 13.3, so the probability should be high.<BR>\n" );
document.write( "Use a binomial table with n=19 p=0.7 and look at the probability of what you DON'T WANT, the likelihood of n <10.<BR>\n" );
document.write( "That is 0.0324.<BR>\n" );
document.write( "Everything else up to 1 is what you DO want.<BR>\n" );
document.write( "1-0.0324=0.9676, and that is the probability that at least 10 survive. </SPAN>\n" );
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