document.write( "Question 854843: From meteo we know that it rains 20% of the days of a year, but there is sunshine the 50% of the days.
\n" ); document.write( "From our experience, we know that 80% of the people keep an umbrella when it rains, 10% when there is sunshine and 20% the days without sunshine or rain.\r
\n" ); document.write( "\n" ); document.write( "If a morning, without being able to notice the weather, we see a man keeping an umbrella, what is the probability to rain? And what is the probability that there is not sunshine?
\n" ); document.write( "

Algebra.Com's Answer #514964 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!
we see a man keeping an umbrella, what is the probability to rain? \".80%2A.20\"
\n" ); document.write( "And what is the probability that there is not sunshine \".20%2A.50\"\r
\n" ); document.write( "\n" ); document.write( "Note: sunshine the 50% of the days, not sunshine 50%
\n" ); document.write( "
\n" ); document.write( "
\n" );