document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1044547>Question 1044547</A>: <I><SPAN STYLE=\"word-break: break-all;\"> During the cold season,the sun is visible 25% of the time .The probability that the class of mathematicians enjoys a lesson is 70% when the sun is visible and only enjoys a lesson 30% when it is cloudy.What is the probability that the mathematicians will enjoy a lesson on a given cold day? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #661206 by </B><A HREF=/tutors/aboutme.mpl?userid=chewe+><B>chewe (1)</B></A><img src=\"/images/stars/iconNewId_16x16.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=chewe+><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=chewe+><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=661206\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "p(enjoying )= p(sun visible )*p(enjoying the lesson )/p( sun visible ) + p(sun not visible )*p(enjoying when is cloudy ) /p(when not visible )\r<BR>\n" );
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document.write( "0.25*0.7/0.25 + 0.75*0.30/0.75= 1 hence the p( enjoying ) = 1. </SPAN>\n" );
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