document.write( "Question 388807: In an examination 70% of the candidates passed in English, 65% in mathematics, 27% failed in both the subjects. Find the probability that a student selected at random has passed in both the subjects \n" ); document.write( "
Algebra.Com's Answer #275327 by edjones(8007) You can put this solution on YOUR website! To understand this a Venn diagram should be used. \n" ); document.write( ".70+.65+.27=1.62 \n" ); document.write( "Since the probability of passing E only + M only + both E & M + neither E nor M must add up to 1 then P(EnM)=.62 ANSWER \n" ); document.write( "(P(E)=.08 + P(M)=.03 + P(EnM)=.62 + P(EnM)'=.27) = 1.00 \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " |