document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=705771>Question 705771</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A mountain climber has a 0.1 probability of falling off if it is raining and only 0.02 when it is not. The probability of it raining in the climbing season is 0.25.\r<BR>\n" );
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document.write( "What is the probability (in a fraction) of the mountain climber falling off on a day chosen at random? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #434781 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=434781\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A mountain climber has a 0.1 probability of falling off if it is raining and only 0.02 when it is not. The probability of it raining in the climbing season is 0.25. <BR>\n" );
document.write( "What is the probability (in a fraction) of the mountain climber falling off on a day chosen at random?<BR>\n" );
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document.write( "P(falling) = P(falling when raining) + P(falling when not raining)<BR>\n" );
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document.write( "= 0.1*0.25 + 0.1*0.75<BR>\n" );
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document.write( "= 0.025 + 0.075<BR>\n" );
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document.write( "= 0.1<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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